201423020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113159}}^1$

素因数の和:113257

約数の個数: 24

約数和(自身を含む): 427744800

約数和(自身を除く): 226321780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 113159, 226318, 452636, 565795, 1131590, 2263180, 10071151, 20142302, 40284604, 50355755, 100711510, 201423020]

約数ペア:

[(1, 201423020), (2, 100711510), (4, 50355755), (5, 40284604), (10, 20142302), (20, 10071151), (89, 2263180), (178, 1131590), (356, 565795), (445, 452636), (890, 226318), (1780, 113159)]