20417804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{613}}^1\times {\mathrm{757}}^1$

素因数の和:1385

約数の個数: 24

約数和(自身を含む): 39094608

約数和(自身を除く): 18676804

約数列:

[1, 2, 4, 11, 22, 44, 613, 757, 1226, 1514, 2452, 3028, 6743, 8327, 13486, 16654, 26972, 33308, 464041, 928082, 1856164, 5104451, 10208902, 20417804]

約数ペア:

[(1, 20417804), (2, 10208902), (4, 5104451), (11, 1856164), (22, 928082), (44, 464041), (613, 33308), (757, 26972), (1226, 16654), (1514, 13486), (2452, 8327), (3028, 6743)]