20993380

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{17791}}^1$

素因数の和:17859

約数の個数: 24

約数和(自身を含む): 44835840

約数和(自身を除く): 23842460

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 17791, 35582, 71164, 88955, 177910, 355820, 1049669, 2099338, 4198676, 5248345, 10496690, 20993380]

約数ペア:

[(1, 20993380), (2, 10496690), (4, 5248345), (5, 4198676), (10, 2099338), (20, 1049669), (59, 355820), (118, 177910), (236, 88955), (295, 71164), (590, 35582), (1180, 17791)]