20121325980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{39301}}^1$

素因数の和:39396

約数の個数: 192

約数和(自身を含む): 68457166848

約数和(自身を除く): 48335840868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 53, 60, 69, 70, 84, 92, 105, 106, 115, 138, 140, 159, 161, 210, 212, 230, 265, 276, 318, 322, 345, 371, 420, 460, 483, 530, 636, 644, 690, 742, 795, 805, 966, 1060, 1113, 1219, 1380, 1484, 1590, 1610, 1855, 1932, 2226, 2415, 2438, 3180, 3220, 3657, 3710, 4452, 4830, 4876, 5565, 6095, 7314, 7420, 8533, 9660, 11130, 12190, 14628, 17066, 18285, 22260, 24380, 25599, 34132, 36570, 39301, 42665, 51198, 73140, 78602, 85330, 102396, 117903, 127995, 157204, 170660, 196505, 235806, 255990, 275107, 393010, 471612, 511980, 550214, 589515, 786020, 825321, 903923, 1100428, 1179030, 1375535, 1650642, 1807846, 2082953, 2358060, 2711769, 2751070, 3301284, 3615692, 4126605, 4165906, 4519615, 5423538, 5502140, 6248859, 6327461, 8253210, 8331812, 9039230, 10414765, 10847076, 12497718, 12654922, 13558845, 14580671, 16506420, 18078460, 18982383, 20829530, 24995436, 25309844, 27117690, 29161342, 31244295, 31637305, 37964766, 41659060, 43742013, 47907919, 54235380, 58322684, 62488590, 63274610, 72903355, 75929532, 87484026, 94911915, 95815838, 124977180, 126549220, 143723757, 145806710, 174968052, 189823830, 191631676, 218710065, 239539595, 287447514, 291613420, 335355433, 379647660, 437420130, 479079190, 574895028, 670710866, 718618785, 874840260, 958158380, 1006066299, 1341421732, 1437237570, 1676777165, 2012132598, 2874475140, 3353554330, 4024265196, 5030331495, 6707108660, 10060662990, 20121325980]

約数ペア:

[(1, 20121325980), (2, 10060662990), (3, 6707108660), (4, 5030331495), (5, 4024265196), (6, 3353554330), (7, 2874475140), (10, 2012132598), (12, 1676777165), (14, 1437237570), (15, 1341421732), (20, 1006066299), (21, 958158380), (23, 874840260), (28, 718618785), (30, 670710866), (35, 574895028), (42, 479079190), (46, 437420130), (53, 379647660), (60, 335355433), (69, 291613420), (70, 287447514), (84, 239539595), (92, 218710065), (105, 191631676), (106, 189823830), (115, 174968052), (138, 145806710), (140, 143723757), (159, 126549220), (161, 124977180), (210, 95815838), (212, 94911915), (230, 87484026), (265, 75929532), (276, 72903355), (318, 63274610), (322, 62488590), (345, 58322684), (371, 54235380), (420, 47907919), (460, 43742013), (483, 41659060), (530, 37964766), (636, 31637305), (644, 31244295), (690, 29161342), (742, 27117690), (795, 25309844), (805, 24995436), (966, 20829530), (1060, 18982383), (1113, 18078460), (1219, 16506420), (1380, 14580671), (1484, 13558845), (1590, 12654922), (1610, 12497718), (1855, 10847076), (1932, 10414765), (2226, 9039230), (2415, 8331812), (2438, 8253210), (3180, 6327461), (3220, 6248859), (3657, 5502140), (3710, 5423538), (4452, 4519615), (4830, 4165906), (4876, 4126605), (5565, 3615692), (6095, 3301284), (7314, 2751070), (7420, 2711769), (8533, 2358060), (9660, 2082953), (11130, 1807846), (12190, 1650642), (14628, 1375535), (17066, 1179030), (18285, 1100428), (22260, 903923), (24380, 825321), (25599, 786020), (34132, 589515), (36570, 550214), (39301, 511980), (42665, 471612), (51198, 393010), (73140, 275107), (78602, 255990), (85330, 235806), (102396, 196505), (117903, 170660), (127995, 157204)]