20216664866

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1\times {\mathrm{331171}}^1$

素因数の和:331537

約数の個数: 16

約数和(自身を含む): 30687722208

約数和(自身を除く): 10471057342

約数列:

[1, 2, 131, 233, 262, 466, 30523, 61046, 331171, 662342, 43383401, 77162843, 86766802, 154325686, 10108332433, 20216664866]

約数ペア:

[(1, 20216664866), (2, 10108332433), (131, 154325686), (233, 86766802), (262, 77162843), (466, 43383401), (30523, 662342), (61046, 331171)]