20948320

素因数分解:

$2^5\times 5^1\times {\mathrm{130927}}^1$

素因数の和:130942

約数の個数: 24

約数和(自身を含む): 49490784

約数和(自身を除く): 28542464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 130927, 261854, 523708, 654635, 1047416, 1309270, 2094832, 2618540, 4189664, 5237080, 10474160, 20948320]

約数ペア:

[(1, 20948320), (2, 10474160), (4, 5237080), (5, 4189664), (8, 2618540), (10, 2094832), (16, 1309270), (20, 1047416), (32, 654635), (40, 523708), (80, 261854), (160, 130927)]