20780170

素因数分解:

$2^1\times 5^1\times {\mathrm{751}}^1\times {\mathrm{2767}}^1$

素因数の和:3525

約数の個数: 16

約数和(自身を含む): 37467648

約数和(自身を除く): 16687478

約数列:

[1, 2, 5, 10, 751, 1502, 2767, 3755, 5534, 7510, 13835, 27670, 2078017, 4156034, 10390085, 20780170]

約数ペア:

[(1, 20780170), (2, 10390085), (5, 4156034), (10, 2078017), (751, 27670), (1502, 13835), (2767, 7510), (3755, 5534)]