16807820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{28979}}^1$

素因数の和:29017

約数の個数: 24

約数和(自身を含む): 36514800

約数和(自身を除く): 19706980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 28979, 57958, 115916, 144895, 289790, 579580, 840391, 1680782, 3361564, 4201955, 8403910, 16807820]

約数ペア:

[(1, 16807820), (2, 8403910), (4, 4201955), (5, 3361564), (10, 1680782), (20, 840391), (29, 579580), (58, 289790), (116, 144895), (145, 115916), (290, 57958), (580, 28979)]