16839980

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{5651}}^1$

素因数の和:5809

約数の個数: 24

約数和(自身を含む): 35607600

約数和(自身を除く): 18767620

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 5651, 11302, 22604, 28255, 56510, 113020, 841999, 1683998, 3367996, 4209995, 8419990, 16839980]

約数ペア:

[(1, 16839980), (2, 8419990), (4, 4209995), (5, 3367996), (10, 1683998), (20, 841999), (149, 113020), (298, 56510), (596, 28255), (745, 22604), (1490, 11302), (2980, 5651)]