20123667745

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{358487}}^1$

素因数の和:358704

約数の個数: 16

約数和(自身を含む): 24606616320

約数和(自身を除く): 4482948575

約数列:

[1, 5, 103, 109, 515, 545, 11227, 56135, 358487, 1792435, 36924161, 39075083, 184620805, 195375415, 4024733549, 20123667745]

約数ペア:

[(1, 20123667745), (5, 4024733549), (103, 195375415), (109, 184620805), (515, 39075083), (545, 36924161), (11227, 1792435), (56135, 358487)]