20282185

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 30643200

約数和(自身を除く): 10361015

約数列:

[1, 5, 7, 11, 35, 55, 77, 139, 379, 385, 695, 973, 1529, 1895, 2653, 4169, 4865, 7645, 10703, 13265, 20845, 29183, 52681, 53515, 145915, 263405, 368767, 579491, 1843835, 2897455, 4056437, 20282185]

約数ペア:

[(1, 20282185), (5, 4056437), (7, 2897455), (11, 1843835), (35, 579491), (55, 368767), (77, 263405), (139, 145915), (379, 53515), (385, 52681), (695, 29183), (973, 20845), (1529, 13265), (1895, 10703), (2653, 7645), (4169, 4865)]