20520402

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{1571}}^1$

素因数の和:1894

約数の個数: 32

約数和(自身を含む): 47084544

約数和(自身を除く): 26564142

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 311, 622, 933, 1571, 1866, 2177, 3142, 4354, 4713, 6531, 9426, 10997, 13062, 21994, 32991, 65982, 488581, 977162, 1465743, 2931486, 3420067, 6840134, 10260201, 20520402]

約数ペア:

[(1, 20520402), (2, 10260201), (3, 6840134), (6, 3420067), (7, 2931486), (14, 1465743), (21, 977162), (42, 488581), (311, 65982), (622, 32991), (933, 21994), (1571, 13062), (1866, 10997), (2177, 9426), (3142, 6531), (4354, 4713)]