20290285

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{3413}}^1$

素因数の和:3488

約数の個数: 16

約数和(自身を含む): 25809840

約数和(自身を除く): 5519555

約数列:

[1, 5, 29, 41, 145, 205, 1189, 3413, 5945, 17065, 98977, 139933, 494885, 699665, 4058057, 20290285]

約数ペア:

[(1, 20290285), (5, 4058057), (29, 699665), (41, 494885), (145, 139933), (205, 98977), (1189, 17065), (3413, 5945)]