20185390

素因数分解:

$2^1\times 5^1\times {\mathrm{503}}^1\times {\mathrm{4013}}^1$

素因数の和:4523

約数の個数: 16

約数和(自身を含む): 36415008

約数和(自身を除く): 16229618

約数列:

[1, 2, 5, 10, 503, 1006, 2515, 4013, 5030, 8026, 20065, 40130, 2018539, 4037078, 10092695, 20185390]

約数ペア:

[(1, 20185390), (2, 10092695), (5, 4037078), (10, 2018539), (503, 40130), (1006, 20065), (2515, 8026), (4013, 5030)]