20348456

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{953}}^1$

素因数の和:1133

約数の個数: 32

約数和(自身を含む): 40697640

約数和(自身を除く): 20349184

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 157, 314, 628, 953, 1256, 1906, 2669, 3812, 5338, 7624, 10676, 16201, 21352, 32402, 64804, 129608, 149621, 299242, 598484, 1196968, 2543557, 5087114, 10174228, 20348456]

約数ペア:

[(1, 20348456), (2, 10174228), (4, 5087114), (8, 2543557), (17, 1196968), (34, 598484), (68, 299242), (136, 149621), (157, 129608), (314, 64804), (628, 32402), (953, 21352), (1256, 16201), (1906, 10676), (2669, 7624), (3812, 5338)]