20290480562

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{271}}^1\times {\mathrm{309391}}^1$

素因数の和:309686

約数の個数: 24

約数和(自身を含む): 33577694976

約数和(自身を除く): 13287214414

約数列:

[1, 2, 11, 22, 121, 242, 271, 542, 2981, 5962, 32791, 65582, 309391, 618782, 3403301, 6806602, 37436311, 74872622, 83844961, 167689922, 922294571, 1844589142, 10145240281, 20290480562]

約数ペア:

[(1, 20290480562), (2, 10145240281), (11, 1844589142), (22, 922294571), (121, 167689922), (242, 83844961), (271, 74872622), (542, 37436311), (2981, 6806602), (5962, 3403301), (32791, 618782), (65582, 309391)]