20290530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{52027}}^1$

素因数の和:52050

約数の個数: 32

約数和(自身を含む): 52444224

約数和(自身を除く): 32153694

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 52027, 104054, 156081, 260135, 312162, 520270, 676351, 780405, 1352702, 1560810, 2029053, 3381755, 4058106, 6763510, 10145265, 20290530]

約数ペア:

[(1, 20290530), (2, 10145265), (3, 6763510), (5, 4058106), (6, 3381755), (10, 2029053), (13, 1560810), (15, 1352702), (26, 780405), (30, 676351), (39, 520270), (65, 312162), (78, 260135), (130, 156081), (195, 104054), (390, 52027)]