20140580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1601}}^1$

素因数の和:1664

約数の個数: 48

約数和(自身を含む): 46022256

約数和(自身を除く): 25881676

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 740, 1258, 1601, 2516, 3145, 3202, 6290, 6404, 8005, 12580, 16010, 27217, 32020, 54434, 59237, 108868, 118474, 136085, 236948, 272170, 296185, 544340, 592370, 1007029, 1184740, 2014058, 4028116, 5035145, 10070290, 20140580]

約数ペア:

[(1, 20140580), (2, 10070290), (4, 5035145), (5, 4028116), (10, 2014058), (17, 1184740), (20, 1007029), (34, 592370), (37, 544340), (68, 296185), (74, 272170), (85, 236948), (148, 136085), (170, 118474), (185, 108868), (340, 59237), (370, 54434), (629, 32020), (740, 27217), (1258, 16010), (1601, 12580), (2516, 8005), (3145, 6404), (3202, 6290)]