20163893611

素因数分解:

${\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1\times {\mathrm{521}}^1$

素因数の和:963

約数の個数: 32

約数和(自身を含む): 21590654976

約数和(自身を除く): 1426761365

約数列:

[1, 31, 47, 101, 263, 521, 1457, 3131, 4747, 8153, 12361, 16151, 24487, 26563, 52621, 137023, 147157, 383191, 759097, 823453, 1248461, 1631251, 2473187, 4247713, 6440081, 13839323, 38702291, 76668797, 199642511, 429019013, 650448181, 20163893611]

約数ペア:

[(1, 20163893611), (31, 650448181), (47, 429019013), (101, 199642511), (263, 76668797), (521, 38702291), (1457, 13839323), (3131, 6440081), (4747, 4247713), (8153, 2473187), (12361, 1631251), (16151, 1248461), (24487, 823453), (26563, 759097), (52621, 383191), (137023, 147157)]