20667950

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{9613}}^1$

素因数の和:9668

約数の個数: 24

約数和(自身を含む): 39340488

約数和(自身を除く): 18672538

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 215, 430, 1075, 2150, 9613, 19226, 48065, 96130, 240325, 413359, 480650, 826718, 2066795, 4133590, 10333975, 20667950]

約数ペア:

[(1, 20667950), (2, 10333975), (5, 4133590), (10, 2066795), (25, 826718), (43, 480650), (50, 413359), (86, 240325), (215, 96130), (430, 48065), (1075, 19226), (2150, 9613)]