20311410

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{311}}^2$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 55891008

約数和(自身を除く): 35579598

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 311, 622, 933, 1555, 1866, 2177, 3110, 4354, 4665, 6531, 9330, 10885, 13062, 21770, 32655, 65310, 96721, 193442, 290163, 483605, 580326, 677047, 967210, 1354094, 1450815, 2031141, 2901630, 3385235, 4062282, 6770470, 10155705, 20311410]

約数ペア:

[(1, 20311410), (2, 10155705), (3, 6770470), (5, 4062282), (6, 3385235), (7, 2901630), (10, 2031141), (14, 1450815), (15, 1354094), (21, 967210), (30, 677047), (35, 580326), (42, 483605), (70, 290163), (105, 193442), (210, 96721), (311, 65310), (622, 32655), (933, 21770), (1555, 13062), (1866, 10885), (2177, 9330), (3110, 6531), (4354, 4665)]