20377670

素因数分解:

$2^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{11779}}^1$

素因数の和:11959

約数の個数: 16

約数和(自身を含む): 36894960

約数和(自身を除く): 16517290

約数列:

[1, 2, 5, 10, 173, 346, 865, 1730, 11779, 23558, 58895, 117790, 2037767, 4075534, 10188835, 20377670]

約数ペア:

[(1, 20377670), (2, 10188835), (5, 4075534), (10, 2037767), (173, 117790), (346, 58895), (865, 23558), (1730, 11779)]