20968210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{110359}}^1$

素因数の和:110385

約数の個数: 16

約数和(自身を含む): 39729600

約数和(自身を除く): 18761390

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 110359, 220718, 551795, 1103590, 2096821, 4193642, 10484105, 20968210]

約数ペア:

[(1, 20968210), (2, 10484105), (5, 4193642), (10, 2096821), (19, 1103590), (38, 551795), (95, 220718), (190, 110359)]