20565990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{228511}}^1$

素因数の和:228524

約数の個数: 24

約数和(自身を含む): 53471808

約数和(自身を除く): 32905818

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 228511, 457022, 685533, 1142555, 1371066, 2056599, 2285110, 3427665, 4113198, 6855330, 10282995, 20565990]

約数ペア:

[(1, 20565990), (2, 10282995), (3, 6855330), (5, 4113198), (6, 3427665), (9, 2285110), (10, 2056599), (15, 1371066), (18, 1142555), (30, 685533), (45, 457022), (90, 228511)]