20638152

素因数分解:

$2^3\times 3^4\times {\mathrm{31849}}^1$

素因数の和:31867

約数の個数: 40

約数和(自身を含む): 57807750

約数和(自身を除く): 37169598

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 31849, 63698, 95547, 127396, 191094, 254792, 286641, 382188, 573282, 764376, 859923, 1146564, 1719846, 2293128, 2579769, 3439692, 5159538, 6879384, 10319076, 20638152]

約数ペア:

[(1, 20638152), (2, 10319076), (3, 6879384), (4, 5159538), (6, 3439692), (8, 2579769), (9, 2293128), (12, 1719846), (18, 1146564), (24, 859923), (27, 764376), (36, 573282), (54, 382188), (72, 286641), (81, 254792), (108, 191094), (162, 127396), (216, 95547), (324, 63698), (648, 31849)]