20019615

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17333}}^1$

素因数の和:17359

約数の個数: 32

約数和(自身を含む): 39937536

約数和(自身を除く): 19917921

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 17333, 51999, 86665, 121331, 190663, 259995, 363993, 571989, 606655, 953315, 1334641, 1819965, 2859945, 4003923, 6673205, 20019615]

約数ペア:

[(1, 20019615), (3, 6673205), (5, 4003923), (7, 2859945), (11, 1819965), (15, 1334641), (21, 953315), (33, 606655), (35, 571989), (55, 363993), (77, 259995), (105, 190663), (165, 121331), (231, 86665), (385, 51999), (1155, 17333)]