20985828

素因数分解:

$2^2\times 3^1\times {\mathrm{59}}^1\times {\mathrm{29641}}^1$

素因数の和:29707

約数の個数: 24

約数和(自身を含む): 49798560

約数和(自身を除く): 28812732

約数列:

[1, 2, 3, 4, 6, 12, 59, 118, 177, 236, 354, 708, 29641, 59282, 88923, 118564, 177846, 355692, 1748819, 3497638, 5246457, 6995276, 10492914, 20985828]

約数ペア:

[(1, 20985828), (2, 10492914), (3, 6995276), (4, 5246457), (6, 3497638), (12, 1748819), (59, 355692), (118, 177846), (177, 118564), (236, 88923), (354, 59282), (708, 29641)]