20118405

素因数分解:

$3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{4231}}^1$

素因数の和:4556

約数の個数: 16

約数和(自身を含む): 32298624

約数和(自身を除く): 12180219

約数列:

[1, 3, 5, 15, 317, 951, 1585, 4231, 4755, 12693, 21155, 63465, 1341227, 4023681, 6706135, 20118405]

約数ペア:

[(1, 20118405), (3, 6706135), (5, 4023681), (15, 1341227), (317, 63465), (951, 21155), (1585, 12693), (4231, 4755)]