20372319

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{389}}^1$

素因数の和:452

約数の個数: 36

約数和(自身を含む): 33644520

約数和(自身を除く): 13272201

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 207, 253, 389, 529, 759, 1167, 1587, 2277, 3501, 4279, 4761, 5819, 8947, 12837, 17457, 26841, 38511, 52371, 80523, 98417, 205781, 295251, 617343, 885753, 1852029, 2263591, 6790773, 20372319]

約数ペア:

[(1, 20372319), (3, 6790773), (9, 2263591), (11, 1852029), (23, 885753), (33, 617343), (69, 295251), (99, 205781), (207, 98417), (253, 80523), (389, 52371), (529, 38511), (759, 26841), (1167, 17457), (1587, 12837), (2277, 8947), (3501, 5819), (4279, 4761)]