20758505

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{929}}^1$

素因数の和:1084

約数の個数: 16

約数和(自身を含む): 25779600

約数和(自身を除く): 5021095

約数列:

[1, 5, 41, 109, 205, 545, 929, 4469, 4645, 22345, 38089, 101261, 190445, 506305, 4151701, 20758505]

約数ペア:

[(1, 20758505), (5, 4151701), (41, 506305), (109, 190445), (205, 101261), (545, 38089), (929, 22345), (4469, 4645)]