20442080

素因数分解:

$2^5\times 5^1\times {\mathrm{127763}}^1$

素因数の和:127778

約数の個数: 24

約数和(自身を含む): 48294792

約数和(自身を除く): 27852712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 127763, 255526, 511052, 638815, 1022104, 1277630, 2044208, 2555260, 4088416, 5110520, 10221040, 20442080]

約数ペア:

[(1, 20442080), (2, 10221040), (4, 5110520), (5, 4088416), (8, 2555260), (10, 2044208), (16, 1277630), (20, 1022104), (32, 638815), (40, 511052), (80, 255526), (160, 127763)]