20804766518

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{90149}}^1$

素因数の和:90376

約数の個数: 32

約数和(自身を含む): 33881976000

約数和(自身を除く): 13077209482

約数列:

[1, 2, 23, 29, 46, 58, 173, 346, 667, 1334, 3979, 5017, 7958, 10034, 90149, 115391, 180298, 230782, 2073427, 2614321, 4146854, 5228642, 15595777, 31191554, 60129383, 120258766, 358702871, 452277533, 717405742, 904555066, 10402383259, 20804766518]

約数ペア:

[(1, 20804766518), (2, 10402383259), (23, 904555066), (29, 717405742), (46, 452277533), (58, 358702871), (173, 120258766), (346, 60129383), (667, 31191554), (1334, 15595777), (3979, 5228642), (5017, 4146854), (7958, 2614321), (10034, 2073427), (90149, 230782), (115391, 180298)]