20636603

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:171

約数の個数: 32

約数和(自身を含む): 25132800

約数和(自身を除く): 4496197

約数列:

[1, 13, 19, 29, 43, 67, 247, 377, 551, 559, 817, 871, 1247, 1273, 1943, 2881, 7163, 10621, 16211, 16549, 23693, 25259, 36917, 37453, 54739, 83549, 308009, 479921, 711607, 1086137, 1587431, 20636603]

約数ペア:

[(1, 20636603), (13, 1587431), (19, 1086137), (29, 711607), (43, 479921), (67, 308009), (247, 83549), (377, 54739), (551, 37453), (559, 36917), (817, 25259), (871, 23693), (1247, 16549), (1273, 16211), (1943, 10621), (2881, 7163)]