20218920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{168491}}^1$

素因数の和:168505

約数の個数: 32

約数和(自身を含む): 60657120

約数和(自身を除く): 40438200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 168491, 336982, 505473, 673964, 842455, 1010946, 1347928, 1684910, 2021892, 2527365, 3369820, 4043784, 5054730, 6739640, 10109460, 20218920]

約数ペア:

[(1, 20218920), (2, 10109460), (3, 6739640), (4, 5054730), (5, 4043784), (6, 3369820), (8, 2527365), (10, 2021892), (12, 1684910), (15, 1347928), (20, 1010946), (24, 842455), (30, 673964), (40, 505473), (60, 336982), (120, 168491)]