20047460

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23311}}^1$

素因数の和:23363

約数の個数: 24

約数和(自身を含む): 43080576

約数和(自身を除く): 23033116

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 23311, 46622, 93244, 116555, 233110, 466220, 1002373, 2004746, 4009492, 5011865, 10023730, 20047460]

約数ペア:

[(1, 20047460), (2, 10023730), (4, 5011865), (5, 4009492), (10, 2004746), (20, 1002373), (43, 466220), (86, 233110), (172, 116555), (215, 93244), (430, 46622), (860, 23311)]