20631650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31741}}^1$

素因数の和:31766

約数の個数: 24

約数和(自身を含む): 41328084

約数和(自身を除く): 20696434

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 31741, 63482, 158705, 317410, 412633, 793525, 825266, 1587050, 2063165, 4126330, 10315825, 20631650]

約数ペア:

[(1, 20631650), (2, 10315825), (5, 4126330), (10, 2063165), (13, 1587050), (25, 825266), (26, 793525), (50, 412633), (65, 317410), (130, 158705), (325, 63482), (650, 31741)]