20979241

素因数分解:

${\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:360

約数の個数: 16

約数和(自身を含む): 22883904

約数和(自身を除く): 1904663

約数列:

[1, 17, 67, 113, 163, 1139, 1921, 2771, 7571, 10921, 18419, 128707, 185657, 313123, 1234073, 20979241]

約数ペア:

[(1, 20979241), (17, 1234073), (67, 313123), (113, 185657), (163, 128707), (1139, 18419), (1921, 10921), (2771, 7571)]