13477220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9491}}^1$

素因数の和:9571

約数の個数: 24

約数和(自身を含む): 28703808

約数和(自身を除く): 15226588

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 9491, 18982, 37964, 47455, 94910, 189820, 673861, 1347722, 2695444, 3369305, 6738610, 13477220]

約数ペア:

[(1, 13477220), (2, 6738610), (4, 3369305), (5, 2695444), (10, 1347722), (20, 673861), (71, 189820), (142, 94910), (284, 47455), (355, 37964), (710, 18982), (1420, 9491)]