20885530

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{48571}}^1$

素因数の和:48621

約数の個数: 16

約数和(自身を含む): 38469024

約数和(自身を除く): 17583494

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 48571, 97142, 242855, 485710, 2088553, 4177106, 10442765, 20885530]

約数ペア:

[(1, 20885530), (2, 10442765), (5, 4177106), (10, 2088553), (43, 485710), (86, 242855), (215, 97142), (430, 48571)]