20345048

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{977}}^1$

素因数の和:1139

約数の個数: 32

約数和(自身を含む): 40489200

約数和(自身を除く): 20144152

約数列:

[1, 2, 4, 8, 19, 38, 76, 137, 152, 274, 548, 977, 1096, 1954, 2603, 3908, 5206, 7816, 10412, 18563, 20824, 37126, 74252, 133849, 148504, 267698, 535396, 1070792, 2543131, 5086262, 10172524, 20345048]

約数ペア:

[(1, 20345048), (2, 10172524), (4, 5086262), (8, 2543131), (19, 1070792), (38, 535396), (76, 267698), (137, 148504), (152, 133849), (274, 74252), (548, 37126), (977, 20824), (1096, 18563), (1954, 10412), (2603, 7816), (3908, 5206)]