20168405

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{4517}}^1$

素因数の和:4588

約数の個数: 16

約数和(自身を含む): 26023680

約数和(自身を除く): 5855275

約数列:

[1, 5, 19, 47, 95, 235, 893, 4465, 4517, 22585, 85823, 212299, 429115, 1061495, 4033681, 20168405]

約数ペア:

[(1, 20168405), (5, 4033681), (19, 1061495), (47, 429115), (95, 212299), (235, 85823), (893, 22585), (4465, 4517)]