20196368

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{20693}}^1$

素因数の和:20762

約数の個数: 20

約数和(自身を含む): 39773868

約数和(自身を除く): 19577500

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 20693, 41386, 82772, 165544, 331088, 1262273, 2524546, 5049092, 10098184, 20196368]

約数ペア:

[(1, 20196368), (2, 10098184), (4, 5049092), (8, 2524546), (16, 1262273), (61, 331088), (122, 165544), (244, 82772), (488, 41386), (976, 20693)]