19977540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{30269}}^1$

素因数の和:30292

約数の個数: 48

約数和(自身を含む): 61024320

約数和(自身を除く): 41046780

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, 30269, 60538, 90807, 121076, 151345, 181614, 302690, 332959, 363228, 454035, 605380, 665918, 908070, 998877, 1331836, 1664795, 1816140, 1997754, 3329590, 3995508, 4994385, 6659180, 9988770, 19977540]

約数ペア:

[(1, 19977540), (2, 9988770), (3, 6659180), (4, 4994385), (5, 3995508), (6, 3329590), (10, 1997754), (11, 1816140), (12, 1664795), (15, 1331836), (20, 998877), (22, 908070), (30, 665918), (33, 605380), (44, 454035), (55, 363228), (60, 332959), (66, 302690), (110, 181614), (132, 151345), (165, 121076), (220, 90807), (330, 60538), (660, 30269)]