20307518

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{809}}^1$

素因数の和:992

約数の個数: 32

約数和(自身を含む): 38257920

約数和(自身を除く): 17950402

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 163, 326, 809, 1141, 1618, 1793, 2282, 3586, 5663, 8899, 11326, 12551, 17798, 25102, 62293, 124586, 131867, 263734, 923069, 1450537, 1846138, 2901074, 10153759, 20307518]

約数ペア:

[(1, 20307518), (2, 10153759), (7, 2901074), (11, 1846138), (14, 1450537), (22, 923069), (77, 263734), (154, 131867), (163, 124586), (326, 62293), (809, 25102), (1141, 17798), (1618, 12551), (1793, 11326), (2282, 8899), (3586, 5663)]