20266505

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 29514240

約数和(自身を除く): 9247735

約数列:

[1, 5, 7, 29, 35, 41, 145, 203, 205, 287, 487, 1015, 1189, 1435, 2435, 3409, 5945, 8323, 14123, 17045, 19967, 41615, 70615, 98861, 99835, 139769, 494305, 579043, 698845, 2895215, 4053301, 20266505]

約数ペア:

[(1, 20266505), (5, 4053301), (7, 2895215), (29, 698845), (35, 579043), (41, 494305), (145, 139769), (203, 99835), (205, 98861), (287, 70615), (487, 41615), (1015, 19967), (1189, 17045), (1435, 14123), (2435, 8323), (3409, 5945)]