20325868

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{1279}}^1$

素因数の和:1449

約数の個数: 24

約数和(自身を含む): 37094400

約数和(自身を除く): 16768532

約数列:

[1, 2, 4, 29, 58, 116, 137, 274, 548, 1279, 2558, 3973, 5116, 7946, 15892, 37091, 74182, 148364, 175223, 350446, 700892, 5081467, 10162934, 20325868]

約数ペア:

[(1, 20325868), (2, 10162934), (4, 5081467), (29, 700892), (58, 350446), (116, 175223), (137, 148364), (274, 74182), (548, 37091), (1279, 15892), (2558, 7946), (3973, 5116)]