20571371718

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{1153}}^1\times {\mathrm{129287}}^1$

素因数の和:130468

約数の個数: 32

約数和(自身を含む): 42969125376

約数和(自身を除く): 22397753658

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 1153, 2306, 3459, 6918, 26519, 53038, 79557, 129287, 159114, 258574, 387861, 775722, 2973601, 5947202, 8920803, 17841606, 149067911, 298135822, 447203733, 894407466, 3428561953, 6857123906, 10285685859, 20571371718]

約数ペア:

[(1, 20571371718), (2, 10285685859), (3, 6857123906), (6, 3428561953), (23, 894407466), (46, 447203733), (69, 298135822), (138, 149067911), (1153, 17841606), (2306, 8920803), (3459, 5947202), (6918, 2973601), (26519, 775722), (53038, 387861), (79557, 258574), (129287, 159114)]