20423020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{19267}}^1$

素因数の和:19329

約数の個数: 24

約数和(自身を含む): 43699824

約数和(自身を除く): 23276804

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 19267, 38534, 77068, 96335, 192670, 385340, 1021151, 2042302, 4084604, 5105755, 10211510, 20423020]

約数ペア:

[(1, 20423020), (2, 10211510), (4, 5105755), (5, 4084604), (10, 2042302), (20, 1021151), (53, 385340), (106, 192670), (212, 96335), (265, 77068), (530, 38534), (1060, 19267)]