20880451565

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{1609}}^1\times {\mathrm{136603}}^1$

素因数の和:138236

約数の個数: 16

約数和(自身を含む): 26391892800

約数和(自身を除く): 5511441235

約数列:

[1, 5, 19, 95, 1609, 8045, 30571, 136603, 152855, 683015, 2595457, 12977285, 219794227, 1098971135, 4176090313, 20880451565]

約数ペア:

[(1, 20880451565), (5, 4176090313), (19, 1098971135), (95, 219794227), (1609, 12977285), (8045, 2595457), (30571, 683015), (136603, 152855)]