20187595312

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{743}}^1\times {\mathrm{54779}}^1$

素因数の和:55561

約数の個数: 40

約数和(自身を含む): 40430269440

約数和(自身を除く): 20242674128

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 743, 1486, 2972, 5944, 11888, 23033, 46066, 54779, 92132, 109558, 184264, 219116, 368528, 438232, 876464, 1698149, 3396298, 6792596, 13585192, 27170384, 40700797, 81401594, 162803188, 325606376, 651212752, 1261724707, 2523449414, 5046898828, 10093797656, 20187595312]

約数ペア:

[(1, 20187595312), (2, 10093797656), (4, 5046898828), (8, 2523449414), (16, 1261724707), (31, 651212752), (62, 325606376), (124, 162803188), (248, 81401594), (496, 40700797), (743, 27170384), (1486, 13585192), (2972, 6792596), (5944, 3396298), (11888, 1698149), (23033, 876464), (46066, 438232), (54779, 368528), (92132, 219116), (109558, 184264)]