20472730

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1013}}^1$

素因数の和:1110

約数の個数: 32

約数和(自身を含む): 38548224

約数和(自身を除く): 18075494

約数列:

[1, 2, 5, 10, 43, 47, 86, 94, 215, 235, 430, 470, 1013, 2021, 2026, 4042, 5065, 10105, 10130, 20210, 43559, 47611, 87118, 95222, 217795, 238055, 435590, 476110, 2047273, 4094546, 10236365, 20472730]

約数ペア:

[(1, 20472730), (2, 10236365), (5, 4094546), (10, 2047273), (43, 476110), (47, 435590), (86, 238055), (94, 217795), (215, 95222), (235, 87118), (430, 47611), (470, 43559), (1013, 20210), (2021, 10130), (2026, 10105), (4042, 5065)]