20129690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41081}}^1$

素因数の和:41102

約数の個数: 24

約数和(自身を含む): 42150132

約数和(自身を除く): 22020442

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 41081, 82162, 205405, 287567, 410810, 575134, 1437835, 2012969, 2875670, 4025938, 10064845, 20129690]

約数ペア:

[(1, 20129690), (2, 10064845), (5, 4025938), (7, 2875670), (10, 2012969), (14, 1437835), (35, 575134), (49, 410810), (70, 287567), (98, 205405), (245, 82162), (490, 41081)]