20219989238

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1\times {\mathrm{2131}}^1$

素因数の和:2804

約数の個数: 32

約数和(自身を含む): 31093770240

約数和(自身を除く): 10873781002

約数列:

[1, 2, 59, 118, 191, 382, 421, 842, 2131, 4262, 11269, 22538, 24839, 49678, 80411, 125729, 160822, 251458, 407021, 814042, 897151, 1794302, 4744249, 9488498, 24014239, 48028478, 52931909, 105863818, 171355841, 342711682, 10109994619, 20219989238]

約数ペア:

[(1, 20219989238), (2, 10109994619), (59, 342711682), (118, 171355841), (191, 105863818), (382, 52931909), (421, 48028478), (842, 24014239), (2131, 9488498), (4262, 4744249), (11269, 1794302), (22538, 897151), (24839, 814042), (49678, 407021), (80411, 251458), (125729, 160822)]