20617456

素因数分解:

$2^4\times {\mathrm{773}}^1\times {\mathrm{1667}}^1$

素因数の和:2448

約数の個数: 20

約数和(自身を含む): 40021992

約数和(自身を除く): 19404536

約数列:

[1, 2, 4, 8, 16, 773, 1546, 1667, 3092, 3334, 6184, 6668, 12368, 13336, 26672, 1288591, 2577182, 5154364, 10308728, 20617456]

約数ペア:

[(1, 20617456), (2, 10308728), (4, 5154364), (8, 2577182), (16, 1288591), (773, 26672), (1546, 13336), (1667, 12368), (3092, 6668), (3334, 6184)]