20199295210

素因数分解:

$2^1\times 5^1\times {\mathrm{1447}}^1\times {\mathrm{1395943}}^1$

素因数の和:1397397

約数の個数: 16

約数和(自身を含む): 36383884416

約数和(自身を除く): 16184589206

約数列:

[1, 2, 5, 10, 1447, 2894, 7235, 14470, 1395943, 2791886, 6979715, 13959430, 2019929521, 4039859042, 10099647605, 20199295210]

約数ペア:

[(1, 20199295210), (2, 10099647605), (5, 4039859042), (10, 2019929521), (1447, 13959430), (2894, 6979715), (7235, 2791886), (14470, 1395943)]