20278466

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{5693}}^1$

素因数の和:5845

約数の個数: 16

約数和(自身を含む): 33002424

約数和(自身を除く): 12723958

約数列:

[1, 2, 13, 26, 137, 274, 1781, 3562, 5693, 11386, 74009, 148018, 779941, 1559882, 10139233, 20278466]

約数ペア:

[(1, 20278466), (2, 10139233), (13, 1559882), (26, 779941), (137, 148018), (274, 74009), (1781, 11386), (3562, 5693)]