20084175

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{3881}}^1$

素因数の和:3920

約数の個数: 36

約数和(自身を含む): 37546704

約数和(自身を除く): 17462529

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 207, 225, 345, 575, 1035, 1725, 3881, 5175, 11643, 19405, 34929, 58215, 89263, 97025, 174645, 267789, 291075, 446315, 803367, 873225, 1338945, 2231575, 4016835, 6694725, 20084175]

約数ペア:

[(1, 20084175), (3, 6694725), (5, 4016835), (9, 2231575), (15, 1338945), (23, 873225), (25, 803367), (45, 446315), (69, 291075), (75, 267789), (115, 174645), (207, 97025), (225, 89263), (345, 58215), (575, 34929), (1035, 19405), (1725, 11643), (3881, 5175)]