20775643

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{379}}^1$

素因数の和:618

約数の個数: 16

約数和(自身を含む): 24514560

約数和(自身を除く): 3738917

約数列:

[1, 7, 41, 191, 287, 379, 1337, 2653, 7831, 15539, 54817, 72389, 108773, 506723, 2967949, 20775643]

約数ペア:

[(1, 20775643), (7, 2967949), (41, 506723), (191, 108773), (287, 72389), (379, 54817), (1337, 15539), (2653, 7831)]