20839290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{503}}^1\times {\mathrm{1381}}^1$

素因数の和:1894

約数の個数: 32

約数和(自身を含む): 50150016

約数和(自身を除く): 29310726

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 503, 1006, 1381, 1509, 2515, 2762, 3018, 4143, 5030, 6905, 7545, 8286, 13810, 15090, 20715, 41430, 694643, 1389286, 2083929, 3473215, 4167858, 6946430, 10419645, 20839290]

約数ペア:

[(1, 20839290), (2, 10419645), (3, 6946430), (5, 4167858), (6, 3473215), (10, 2083929), (15, 1389286), (30, 694643), (503, 41430), (1006, 20715), (1381, 15090), (1509, 13810), (2515, 8286), (2762, 7545), (3018, 6905), (4143, 5030)]