20256976

素因数分解:

$2^4\times {\mathrm{557}}^1\times {\mathrm{2273}}^1$

素因数の和:2838

約数の個数: 20

約数和(自身を含む): 39335652

約数和(自身を除く): 19078676

約数列:

[1, 2, 4, 8, 16, 557, 1114, 2228, 2273, 4456, 4546, 8912, 9092, 18184, 36368, 1266061, 2532122, 5064244, 10128488, 20256976]

約数ペア:

[(1, 20256976), (2, 10128488), (4, 5064244), (8, 2532122), (16, 1266061), (557, 36368), (1114, 18184), (2228, 9092), (2273, 8912), (4456, 4546)]