20442651

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 30240000

約数和(自身を除く): 9797349

約数列:

[1, 3, 19, 29, 57, 83, 87, 149, 249, 447, 551, 1577, 1653, 2407, 2831, 4321, 4731, 7221, 8493, 12367, 12963, 37101, 45733, 82099, 137199, 234973, 246297, 358643, 704919, 1075929, 6814217, 20442651]

約数ペア:

[(1, 20442651), (3, 6814217), (19, 1075929), (29, 704919), (57, 358643), (83, 246297), (87, 234973), (149, 137199), (249, 82099), (447, 45733), (551, 37101), (1577, 12963), (1653, 12367), (2407, 8493), (2831, 7221), (4321, 4731)]