20100442020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{181183}}^1$

素因数の和:181281

約数の個数: 72

約数和(自身を含む): 57620860416

約数和(自身を除く): 37520418396

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 1849, 2580, 3698, 5547, 7396, 9245, 11094, 18490, 22188, 27735, 36980, 55470, 110940, 181183, 362366, 543549, 724732, 905915, 1087098, 1811830, 2174196, 2717745, 3623660, 5435490, 7790869, 10870980, 15581738, 23372607, 31163476, 38954345, 46745214, 77908690, 93490428, 116863035, 155817380, 233726070, 335007367, 467452140, 670014734, 1005022101, 1340029468, 1675036835, 2010044202, 3350073670, 4020088404, 5025110505, 6700147340, 10050221010, 20100442020]

約数ペア:

[(1, 20100442020), (2, 10050221010), (3, 6700147340), (4, 5025110505), (5, 4020088404), (6, 3350073670), (10, 2010044202), (12, 1675036835), (15, 1340029468), (20, 1005022101), (30, 670014734), (43, 467452140), (60, 335007367), (86, 233726070), (129, 155817380), (172, 116863035), (215, 93490428), (258, 77908690), (430, 46745214), (516, 38954345), (645, 31163476), (860, 23372607), (1290, 15581738), (1849, 10870980), (2580, 7790869), (3698, 5435490), (5547, 3623660), (7396, 2717745), (9245, 2174196), (11094, 1811830), (18490, 1087098), (22188, 905915), (27735, 724732), (36980, 543549), (55470, 362366), (110940, 181183)]