20430075

素因数分解:

$3^1\times 5^2\times {\mathrm{211}}^1\times {\mathrm{1291}}^1$

素因数の和:1515

約数の個数: 24

約数和(自身を含む): 33964096

約数和(自身を除く): 13534021

約数列:

[1, 3, 5, 15, 25, 75, 211, 633, 1055, 1291, 3165, 3873, 5275, 6455, 15825, 19365, 32275, 96825, 272401, 817203, 1362005, 4086015, 6810025, 20430075]

約数ペア:

[(1, 20430075), (3, 6810025), (5, 4086015), (15, 1362005), (25, 817203), (75, 272401), (211, 96825), (633, 32275), (1055, 19365), (1291, 15825), (3165, 6455), (3873, 5275)]