20695805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{1667}}^1$

素因数の和:1876

約数の個数: 16

約数和(自身を含む): 26901504

約数和(自身を除く): 6205699

約数列:

[1, 5, 13, 65, 191, 955, 1667, 2483, 8335, 12415, 21671, 108355, 318397, 1591985, 4139161, 20695805]

約数ペア:

[(1, 20695805), (5, 4139161), (13, 1591985), (65, 318397), (191, 108355), (955, 21671), (1667, 12415), (2483, 8335)]