20472540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31019}}^1$

素因数の和:31042

約数の個数: 48

約数和(自身を含む): 62536320

約数和(自身を除く): 42063780

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 31019, 62038, 93057, 124076, 155095, 186114, 310190, 341209, 372228, 465285, 620380, 682418, 930570, 1023627, 1364836, 1706045, 1861140, 2047254, 3412090, 4094508, 5118135, 6824180, 10236270, 20472540]

約数ペア:

[(1, 20472540), (2, 10236270), (3, 6824180), (4, 5118135), (5, 4094508), (6, 3412090), (10, 2047254), (11, 1861140), (12, 1706045), (15, 1364836), (20, 1023627), (22, 930570), (30, 682418), (33, 620380), (44, 465285), (55, 372228), (60, 341209), (66, 310190), (110, 186114), (132, 155095), (165, 124076), (220, 93057), (330, 62038), (660, 31019)]