20663108

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{11821}}^1$

素因数の和:11867

約数の個数: 24

約数和(自身を含む): 39721920

約数和(自身を除く): 19058812

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 11821, 23642, 47284, 224599, 271883, 449198, 543766, 898396, 1087532, 5165777, 10331554, 20663108]

約数ペア:

[(1, 20663108), (2, 10331554), (4, 5165777), (19, 1087532), (23, 898396), (38, 543766), (46, 449198), (76, 271883), (92, 224599), (437, 47284), (874, 23642), (1748, 11821)]