20388685

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{367}}^1$

素因数の和:684

約数の個数: 16

約数和(自身を含む): 25224192

約数和(自身を除く): 4835507

約数列:

[1, 5, 41, 205, 271, 367, 1355, 1835, 11111, 15047, 55555, 75235, 99457, 497285, 4077737, 20388685]

約数ペア:

[(1, 20388685), (5, 4077737), (41, 497285), (205, 99457), (271, 75235), (367, 55555), (1355, 15047), (1835, 11111)]