20282530

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{521}}^1$

素因数の和:774

約数の個数: 32

約数和(自身を含む): 38899440

約数和(自身を除く): 18616910

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 229, 458, 521, 1042, 1145, 2290, 2605, 3893, 5210, 7786, 8857, 17714, 19465, 38930, 44285, 88570, 119309, 238618, 596545, 1193090, 2028253, 4056506, 10141265, 20282530]

約数ペア:

[(1, 20282530), (2, 10141265), (5, 4056506), (10, 2028253), (17, 1193090), (34, 596545), (85, 238618), (170, 119309), (229, 88570), (458, 44285), (521, 38930), (1042, 19465), (1145, 17714), (2290, 8857), (2605, 7786), (3893, 5210)]