20292200

素因数分解:

$2^3\times 5^2\times {\mathrm{241}}^1\times {\mathrm{421}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 47487660

約数和(自身を除く): 27195460

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 241, 421, 482, 842, 964, 1205, 1684, 1928, 2105, 2410, 3368, 4210, 4820, 6025, 8420, 9640, 10525, 12050, 16840, 21050, 24100, 42100, 48200, 84200, 101461, 202922, 405844, 507305, 811688, 1014610, 2029220, 2536525, 4058440, 5073050, 10146100, 20292200]

約数ペア:

[(1, 20292200), (2, 10146100), (4, 5073050), (5, 4058440), (8, 2536525), (10, 2029220), (20, 1014610), (25, 811688), (40, 507305), (50, 405844), (100, 202922), (200, 101461), (241, 84200), (421, 48200), (482, 42100), (842, 24100), (964, 21050), (1205, 16840), (1684, 12050), (1928, 10525), (2105, 9640), (2410, 8420), (3368, 6025), (4210, 4820)]