20589075

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7039}}^1$

素因数の和:7068

約数の個数: 36

約数和(自身を含む): 39719680

約数和(自身を除く): 19130605

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 7039, 21117, 35195, 63351, 91507, 105585, 175975, 274521, 316755, 457535, 527925, 823563, 1372605, 1583775, 2287675, 4117815, 6863025, 20589075]

約数ペア:

[(1, 20589075), (3, 6863025), (5, 4117815), (9, 2287675), (13, 1583775), (15, 1372605), (25, 823563), (39, 527925), (45, 457535), (65, 316755), (75, 274521), (117, 175975), (195, 105585), (225, 91507), (325, 63351), (585, 35195), (975, 21117), (2925, 7039)]