20811077

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{977}}^1$

素因数の和:1180

約数の個数: 16

約数和(自身を含む): 25349760

約数和(自身を除く): 4538683

約数列:

[1, 7, 17, 119, 179, 977, 1253, 3043, 6839, 16609, 21301, 116263, 174883, 1224181, 2973011, 20811077]

約数ペア:

[(1, 20811077), (7, 2973011), (17, 1224181), (119, 174883), (179, 116263), (977, 21301), (1253, 16609), (3043, 6839)]