20518336

素因数分解:

$2^6\times {\mathrm{523}}^1\times {\mathrm{613}}^1$

素因数の和:1148

約数の個数: 28

約数和(自身を含む): 40860472

約数和(自身を除く): 20342136

約数列:

[1, 2, 4, 8, 16, 32, 64, 523, 613, 1046, 1226, 2092, 2452, 4184, 4904, 8368, 9808, 16736, 19616, 33472, 39232, 320599, 641198, 1282396, 2564792, 5129584, 10259168, 20518336]

約数ペア:

[(1, 20518336), (2, 10259168), (4, 5129584), (8, 2564792), (16, 1282396), (32, 641198), (64, 320599), (523, 39232), (613, 33472), (1046, 19616), (1226, 16736), (2092, 9808), (2452, 8368), (4184, 4904)]