20407055

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{587}}^1$

素因数の和:1018

約数の個数: 16

約数和(自身を含む): 26036640

約数和(自身を除く): 5629585

約数列:

[1, 5, 17, 85, 409, 587, 2045, 2935, 6953, 9979, 34765, 49895, 240083, 1200415, 4081411, 20407055]

約数ペア:

[(1, 20407055), (5, 4081411), (17, 1200415), (85, 240083), (409, 49895), (587, 34765), (2045, 9979), (2935, 6953)]