20459850975

素因数分解:

$3^2\times 5^2\times {\mathrm{90932671}}^1$

素因数の和:90932687

約数の個数: 18

約数和(自身を含む): 36645866816

約数和(自身を除く): 16186015841

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 90932671, 272798013, 454663355, 818394039, 1363990065, 2273316775, 4091970195, 6819950325, 20459850975]

約数ペア:

[(1, 20459850975), (3, 6819950325), (5, 4091970195), (9, 2273316775), (15, 1363990065), (25, 818394039), (45, 454663355), (75, 272798013), (225, 90932671)]