20217233690

素因数分解:

$2^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{3203999}}^1$

素因数の和:3204637

約数の個数: 16

約数和(自身を含む): 36448704000

約数和(自身を除く): 16231470310

約数列:

[1, 2, 5, 10, 631, 1262, 3155, 6310, 3203999, 6407998, 16019995, 32039990, 2021723369, 4043446738, 10108616845, 20217233690]

約数ペア:

[(1, 20217233690), (2, 10108616845), (5, 4043446738), (10, 2021723369), (631, 32039990), (1262, 16019995), (3155, 6407998), (6310, 3203999)]