20107080

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:204

約数の個数: 192

約数和(自身を含む): 76377600

約数和(自身を除く): 56270520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 79, 84, 90, 101, 105, 120, 126, 140, 158, 168, 180, 202, 210, 237, 252, 280, 303, 315, 316, 360, 395, 404, 420, 474, 504, 505, 553, 606, 630, 632, 707, 711, 790, 808, 840, 909, 948, 1010, 1106, 1185, 1212, 1260, 1414, 1422, 1515, 1580, 1659, 1818, 1896, 2020, 2121, 2212, 2370, 2424, 2520, 2765, 2828, 2844, 3030, 3160, 3318, 3535, 3555, 3636, 4040, 4242, 4424, 4545, 4740, 4977, 5530, 5656, 5688, 6060, 6363, 6636, 7070, 7110, 7272, 7979, 8295, 8484, 9090, 9480, 9954, 10605, 11060, 12120, 12726, 13272, 14140, 14220, 15958, 16590, 16968, 18180, 19908, 21210, 22120, 23937, 24885, 25452, 28280, 28440, 31815, 31916, 33180, 36360, 39816, 39895, 42420, 47874, 49770, 50904, 55853, 63630, 63832, 66360, 71811, 79790, 84840, 95748, 99540, 111706, 119685, 127260, 143622, 159580, 167559, 191496, 199080, 223412, 239370, 254520, 279265, 287244, 319160, 335118, 359055, 446824, 478740, 502677, 558530, 574488, 670236, 718110, 837795, 957480, 1005354, 1117060, 1340472, 1436220, 1675590, 2010708, 2234120, 2513385, 2872440, 3351180, 4021416, 5026770, 6702360, 10053540, 20107080]

約数ペア:

[(1, 20107080), (2, 10053540), (3, 6702360), (4, 5026770), (5, 4021416), (6, 3351180), (7, 2872440), (8, 2513385), (9, 2234120), (10, 2010708), (12, 1675590), (14, 1436220), (15, 1340472), (18, 1117060), (20, 1005354), (21, 957480), (24, 837795), (28, 718110), (30, 670236), (35, 574488), (36, 558530), (40, 502677), (42, 478740), (45, 446824), (56, 359055), (60, 335118), (63, 319160), (70, 287244), (72, 279265), (79, 254520), (84, 239370), (90, 223412), (101, 199080), (105, 191496), (120, 167559), (126, 159580), (140, 143622), (158, 127260), (168, 119685), (180, 111706), (202, 99540), (210, 95748), (237, 84840), (252, 79790), (280, 71811), (303, 66360), (315, 63832), (316, 63630), (360, 55853), (395, 50904), (404, 49770), (420, 47874), (474, 42420), (504, 39895), (505, 39816), (553, 36360), (606, 33180), (630, 31916), (632, 31815), (707, 28440), (711, 28280), (790, 25452), (808, 24885), (840, 23937), (909, 22120), (948, 21210), (1010, 19908), (1106, 18180), (1185, 16968), (1212, 16590), (1260, 15958), (1414, 14220), (1422, 14140), (1515, 13272), (1580, 12726), (1659, 12120), (1818, 11060), (1896, 10605), (2020, 9954), (2121, 9480), (2212, 9090), (2370, 8484), (2424, 8295), (2520, 7979), (2765, 7272), (2828, 7110), (2844, 7070), (3030, 6636), (3160, 6363), (3318, 6060), (3535, 5688), (3555, 5656), (3636, 5530), (4040, 4977), (4242, 4740), (4424, 4545)]