206905780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{333719}}^1$

素因数の和:333759

約数の個数: 24

約数和(自身を含む): 448519680

約数和(自身を除く): 241613900

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 333719, 667438, 1334876, 1668595, 3337190, 6674380, 10345289, 20690578, 41381156, 51726445, 103452890, 206905780]

約数ペア:

[(1, 206905780), (2, 103452890), (4, 51726445), (5, 41381156), (10, 20690578), (20, 10345289), (31, 6674380), (62, 3337190), (124, 1668595), (155, 1334876), (310, 667438), (620, 333719)]