20876510

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3319}}^1$

素因数の和:3380

約数の個数: 32

約数和(自身を含む): 40875840

約数和(自身を除く): 19999330

約数列:

[1, 2, 5, 10, 17, 34, 37, 74, 85, 170, 185, 370, 629, 1258, 3145, 3319, 6290, 6638, 16595, 33190, 56423, 112846, 122803, 245606, 282115, 564230, 614015, 1228030, 2087651, 4175302, 10438255, 20876510]

約数ペア:

[(1, 20876510), (2, 10438255), (5, 4175302), (10, 2087651), (17, 1228030), (34, 614015), (37, 564230), (74, 282115), (85, 245606), (170, 122803), (185, 112846), (370, 56423), (629, 33190), (1258, 16595), (3145, 6638), (3319, 6290)]