20289728

素因数分解:

$2^6\times {\mathrm{79}}^1\times {\mathrm{4013}}^1$

素因数の和:4104

約数の個数: 28

約数和(自身を含む): 40782240

約数和(自身を除く): 20492512

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 158, 316, 632, 1264, 2528, 4013, 5056, 8026, 16052, 32104, 64208, 128416, 256832, 317027, 634054, 1268108, 2536216, 5072432, 10144864, 20289728]

約数ペア:

[(1, 20289728), (2, 10144864), (4, 5072432), (8, 2536216), (16, 1268108), (32, 634054), (64, 317027), (79, 256832), (158, 128416), (316, 64208), (632, 32104), (1264, 16052), (2528, 8026), (4013, 5056)]