16830760

素因数分解:

$2^3\times 5^1\times {\mathrm{420769}}^1$

素因数の和:420780

約数の個数: 16

約数和(自身を含む): 37869300

約数和(自身を除く): 21038540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 420769, 841538, 1683076, 2103845, 3366152, 4207690, 8415380, 16830760]

約数ペア:

[(1, 16830760), (2, 8415380), (4, 4207690), (5, 3366152), (8, 2103845), (10, 1683076), (20, 841538), (40, 420769)]