20376405

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{9241}}^1$

素因数の和:9266

約数の個数: 36

約数和(自身を含む): 41089932

約数和(自身を除く): 20713527

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 9241, 27723, 46205, 64687, 83169, 138615, 194061, 323435, 415845, 452809, 582183, 970305, 1358427, 2264045, 2910915, 4075281, 6792135, 20376405]

約数ペア:

[(1, 20376405), (3, 6792135), (5, 4075281), (7, 2910915), (9, 2264045), (15, 1358427), (21, 970305), (35, 582183), (45, 452809), (49, 415845), (63, 323435), (105, 194061), (147, 138615), (245, 83169), (315, 64687), (441, 46205), (735, 27723), (2205, 9241)]