20916570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1009}}^1$

素因数の和:1710

約数の個数: 32

約数和(自身を含む): 50322240

約数和(自身を除く): 29405670

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 691, 1009, 1382, 2018, 2073, 3027, 3455, 4146, 5045, 6054, 6910, 10090, 10365, 15135, 20730, 30270, 697219, 1394438, 2091657, 3486095, 4183314, 6972190, 10458285, 20916570]

約数ペア:

[(1, 20916570), (2, 10458285), (3, 6972190), (5, 4183314), (6, 3486095), (10, 2091657), (15, 1394438), (30, 697219), (691, 30270), (1009, 20730), (1382, 15135), (2018, 10365), (2073, 10090), (3027, 6910), (3455, 6054), (4146, 5045)]