20704688

素因数分解:

$2^4\times {\mathrm{613}}^1\times {\mathrm{2111}}^1$

素因数の和:2732

約数の個数: 20

約数和(自身を含む): 40199808

約数和(自身を除く): 19495120

約数列:

[1, 2, 4, 8, 16, 613, 1226, 2111, 2452, 4222, 4904, 8444, 9808, 16888, 33776, 1294043, 2588086, 5176172, 10352344, 20704688]

約数ペア:

[(1, 20704688), (2, 10352344), (4, 5176172), (8, 2588086), (16, 1294043), (613, 33776), (1226, 16888), (2111, 9808), (2452, 8444), (4222, 4904)]