20157650

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{9833}}^1$

素因数の和:9886

約数の個数: 24

約数和(自身を含む): 38411604

約数和(自身を除く): 18253954

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 9833, 19666, 49165, 98330, 245825, 403153, 491650, 806306, 2015765, 4031530, 10078825, 20157650]

約数ペア:

[(1, 20157650), (2, 10078825), (5, 4031530), (10, 2015765), (25, 806306), (41, 491650), (50, 403153), (82, 245825), (205, 98330), (410, 49165), (1025, 19666), (2050, 9833)]