20743220

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{17579}}^1$

素因数の和:17647

約数の個数: 24

約数和(自身を含む): 44301600

約数和(自身を除く): 23558380

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 17579, 35158, 70316, 87895, 175790, 351580, 1037161, 2074322, 4148644, 5185805, 10371610, 20743220]

約数ペア:

[(1, 20743220), (2, 10371610), (4, 5185805), (5, 4148644), (10, 2074322), (20, 1037161), (59, 351580), (118, 175790), (236, 87895), (295, 70316), (590, 35158), (1180, 17579)]