20692864

素因数分解:

$2^7\times {\mathrm{41}}^1\times {\mathrm{3943}}^1$

素因数の和:3998

約数の個数: 32

約数和(自身を含む): 42240240

約数和(自身を除く): 21547376

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 328, 656, 1312, 2624, 3943, 5248, 7886, 15772, 31544, 63088, 126176, 161663, 252352, 323326, 504704, 646652, 1293304, 2586608, 5173216, 10346432, 20692864]

約数ペア:

[(1, 20692864), (2, 10346432), (4, 5173216), (8, 2586608), (16, 1293304), (32, 646652), (41, 504704), (64, 323326), (82, 252352), (128, 161663), (164, 126176), (328, 63088), (656, 31544), (1312, 15772), (2624, 7886), (3943, 5248)]