20456875320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{2341}}^1$

素因数の和:2566

約数の個数: 256

約数和(自身を含む): 71550535680

約数和(自身を除く): 51093660360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 101, 103, 105, 120, 140, 168, 202, 206, 210, 280, 303, 309, 404, 412, 420, 505, 515, 606, 618, 707, 721, 808, 824, 840, 1010, 1030, 1212, 1236, 1414, 1442, 1515, 1545, 2020, 2060, 2121, 2163, 2341, 2424, 2472, 2828, 2884, 3030, 3090, 3535, 3605, 4040, 4120, 4242, 4326, 4682, 5656, 5768, 6060, 6180, 7023, 7070, 7210, 8484, 8652, 9364, 10403, 10605, 10815, 11705, 12120, 12360, 14046, 14140, 14420, 16387, 16968, 17304, 18728, 20806, 21210, 21630, 23410, 28092, 28280, 28840, 31209, 32774, 35115, 41612, 42420, 43260, 46820, 49161, 52015, 56184, 62418, 65548, 70230, 72821, 81935, 83224, 84840, 86520, 93640, 98322, 104030, 124836, 131096, 140460, 145642, 156045, 163870, 196644, 208060, 218463, 236441, 241123, 245805, 249672, 280920, 291284, 312090, 327740, 364105, 393288, 416120, 436926, 472882, 482246, 491610, 582568, 624180, 655480, 709323, 723369, 728210, 873852, 945764, 964492, 983220, 1092315, 1182205, 1205615, 1248360, 1418646, 1446738, 1456420, 1655087, 1687861, 1747704, 1891528, 1928984, 1966440, 2184630, 2364410, 2411230, 2837292, 2893476, 2912840, 3310174, 3375722, 3546615, 3616845, 4369260, 4728820, 4822460, 4965261, 5063583, 5674584, 5786952, 6620348, 6751444, 7093230, 7233690, 8275435, 8439305, 8738520, 9457640, 9644920, 9930522, 10127166, 13240696, 13502888, 14186460, 14467380, 16550870, 16878610, 19861044, 20254332, 24353423, 24826305, 25317915, 28372920, 28934760, 33101740, 33757220, 39722088, 40508664, 48706846, 49652610, 50635830, 66203480, 67514440, 73060269, 97413692, 99305220, 101271660, 121767115, 146120538, 170473961, 194827384, 198610440, 202543320, 243534230, 292241076, 340947922, 365301345, 487068460, 511421883, 584482152, 681895844, 730602690, 852369805, 974136920, 1022843766, 1363791688, 1461205380, 1704739610, 2045687532, 2557109415, 2922410760, 3409479220, 4091375064, 5114218830, 6818958440, 10228437660, 20456875320]

約数ペア:

[(1, 20456875320), (2, 10228437660), (3, 6818958440), (4, 5114218830), (5, 4091375064), (6, 3409479220), (7, 2922410760), (8, 2557109415), (10, 2045687532), (12, 1704739610), (14, 1461205380), (15, 1363791688), (20, 1022843766), (21, 974136920), (24, 852369805), (28, 730602690), (30, 681895844), (35, 584482152), (40, 511421883), (42, 487068460), (56, 365301345), (60, 340947922), (70, 292241076), (84, 243534230), (101, 202543320), (103, 198610440), (105, 194827384), (120, 170473961), (140, 146120538), (168, 121767115), (202, 101271660), (206, 99305220), (210, 97413692), (280, 73060269), (303, 67514440), (309, 66203480), (404, 50635830), (412, 49652610), (420, 48706846), (505, 40508664), (515, 39722088), (606, 33757220), (618, 33101740), (707, 28934760), (721, 28372920), (808, 25317915), (824, 24826305), (840, 24353423), (1010, 20254332), (1030, 19861044), (1212, 16878610), (1236, 16550870), (1414, 14467380), (1442, 14186460), (1515, 13502888), (1545, 13240696), (2020, 10127166), (2060, 9930522), (2121, 9644920), (2163, 9457640), (2341, 8738520), (2424, 8439305), (2472, 8275435), (2828, 7233690), (2884, 7093230), (3030, 6751444), (3090, 6620348), (3535, 5786952), (3605, 5674584), (4040, 5063583), (4120, 4965261), (4242, 4822460), (4326, 4728820), (4682, 4369260), (5656, 3616845), (5768, 3546615), (6060, 3375722), (6180, 3310174), (7023, 2912840), (7070, 2893476), (7210, 2837292), (8484, 2411230), (8652, 2364410), (9364, 2184630), (10403, 1966440), (10605, 1928984), (10815, 1891528), (11705, 1747704), (12120, 1687861), (12360, 1655087), (14046, 1456420), (14140, 1446738), (14420, 1418646), (16387, 1248360), (16968, 1205615), (17304, 1182205), (18728, 1092315), (20806, 983220), (21210, 964492), (21630, 945764), (23410, 873852), (28092, 728210), (28280, 723369), (28840, 709323), (31209, 655480), (32774, 624180), (35115, 582568), (41612, 491610), (42420, 482246), (43260, 472882), (46820, 436926), (49161, 416120), (52015, 393288), (56184, 364105), (62418, 327740), (65548, 312090), (70230, 291284), (72821, 280920), (81935, 249672), (83224, 245805), (84840, 241123), (86520, 236441), (93640, 218463), (98322, 208060), (104030, 196644), (124836, 163870), (131096, 156045), (140460, 145642)]