20586016

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{251}}^1$

素因数の和:505

約数の個数: 48

約数和(自身を含む): 44579808

約数和(自身を除く): 23993792

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 233, 251, 352, 466, 502, 932, 1004, 1864, 2008, 2563, 2761, 3728, 4016, 5126, 5522, 7456, 8032, 10252, 11044, 20504, 22088, 41008, 44176, 58483, 82016, 88352, 116966, 233932, 467864, 643313, 935728, 1286626, 1871456, 2573252, 5146504, 10293008, 20586016]

約数ペア:

[(1, 20586016), (2, 10293008), (4, 5146504), (8, 2573252), (11, 1871456), (16, 1286626), (22, 935728), (32, 643313), (44, 467864), (88, 233932), (176, 116966), (233, 88352), (251, 82016), (352, 58483), (466, 44176), (502, 41008), (932, 22088), (1004, 20504), (1864, 11044), (2008, 10252), (2563, 8032), (2761, 7456), (3728, 5522), (4016, 5126)]