20590486

素因数分解:

$2^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{1289}}^1$

素因数の和:1468

約数の個数: 24

約数和(自身を含む): 36176760

約数和(自身を除く): 15586274

約数列:

[1, 2, 7, 14, 49, 98, 163, 326, 1141, 1289, 2282, 2578, 7987, 9023, 15974, 18046, 63161, 126322, 210107, 420214, 1470749, 2941498, 10295243, 20590486]

約数ペア:

[(1, 20590486), (2, 10295243), (7, 2941498), (14, 1470749), (49, 420214), (98, 210107), (163, 126322), (326, 63161), (1141, 18046), (1289, 15974), (2282, 9023), (2578, 7987)]