20797150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37813}}^1$

素因数の和:37836

約数の個数: 24

約数和(自身を含む): 42200424

約数和(自身を除く): 21403274

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 37813, 75626, 189065, 378130, 415943, 831886, 945325, 1890650, 2079715, 4159430, 10398575, 20797150]

約数ペア:

[(1, 20797150), (2, 10398575), (5, 4159430), (10, 2079715), (11, 1890650), (22, 945325), (25, 831886), (50, 415943), (55, 378130), (110, 189065), (275, 75626), (550, 37813)]