20103780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7129}}^1$

素因数の和:7188

約数の個数: 48

約数和(自身を含む): 57496320

約数和(自身を除く): 37392540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 7129, 14258, 21387, 28516, 35645, 42774, 71290, 85548, 106935, 142580, 213870, 335063, 427740, 670126, 1005189, 1340252, 1675315, 2010378, 3350630, 4020756, 5025945, 6701260, 10051890, 20103780]

約数ペア:

[(1, 20103780), (2, 10051890), (3, 6701260), (4, 5025945), (5, 4020756), (6, 3350630), (10, 2010378), (12, 1675315), (15, 1340252), (20, 1005189), (30, 670126), (47, 427740), (60, 335063), (94, 213870), (141, 142580), (188, 106935), (235, 85548), (282, 71290), (470, 42774), (564, 35645), (705, 28516), (940, 21387), (1410, 14258), (2820, 7129)]