1329408020

素因数分解:

$2^2\times 5^1\times {\mathrm{1511}}^1\times {\mathrm{43991}}^1$

素因数の和:45511

約数の個数: 24

約数和(自身を含む): 2793667968

約数和(自身を除く): 1464259948

約数列:

[1, 2, 4, 5, 10, 20, 1511, 3022, 6044, 7555, 15110, 30220, 43991, 87982, 175964, 219955, 439910, 879820, 66470401, 132940802, 265881604, 332352005, 664704010, 1329408020]

約数ペア:

[(1, 1329408020), (2, 664704010), (4, 332352005), (5, 265881604), (10, 132940802), (20, 66470401), (1511, 879820), (3022, 439910), (6044, 219955), (7555, 175964), (15110, 87982), (30220, 43991)]