20486912

素因数分解:

$2^8\times {\mathrm{79}}^1\times {\mathrm{1013}}^1$

素因数の和:1108

約数の個数: 36

約数和(自身を含む): 41452320

約数和(自身を除く): 20965408

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 256, 316, 632, 1013, 1264, 2026, 2528, 4052, 5056, 8104, 10112, 16208, 20224, 32416, 64832, 80027, 129664, 160054, 259328, 320108, 640216, 1280432, 2560864, 5121728, 10243456, 20486912]

約数ペア:

[(1, 20486912), (2, 10243456), (4, 5121728), (8, 2560864), (16, 1280432), (32, 640216), (64, 320108), (79, 259328), (128, 160054), (158, 129664), (256, 80027), (316, 64832), (632, 32416), (1013, 20224), (1264, 16208), (2026, 10112), (2528, 8104), (4052, 5056)]