20496138

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3701}}^1$

素因数の和:3790

約数の個数: 32

約数和(自身を含む): 44779392

約数和(自身を除く): 24283254

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 213, 426, 923, 1846, 2769, 3701, 5538, 7402, 11103, 22206, 48113, 96226, 144339, 262771, 288678, 525542, 788313, 1576626, 3416023, 6832046, 10248069, 20496138]

約数ペア:

[(1, 20496138), (2, 10248069), (3, 6832046), (6, 3416023), (13, 1576626), (26, 788313), (39, 525542), (71, 288678), (78, 262771), (142, 144339), (213, 96226), (426, 48113), (923, 22206), (1846, 11103), (2769, 7402), (3701, 5538)]