20263755

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 33592320

約数和(自身を除く): 13328565

約数列:

[1, 3, 5, 15, 53, 71, 159, 213, 265, 355, 359, 795, 1065, 1077, 1795, 3763, 5385, 11289, 18815, 19027, 25489, 56445, 57081, 76467, 95135, 127445, 285405, 382335, 1350917, 4052751, 6754585, 20263755]

約数ペア:

[(1, 20263755), (3, 6754585), (5, 4052751), (15, 1350917), (53, 382335), (71, 285405), (159, 127445), (213, 95135), (265, 76467), (355, 57081), (359, 56445), (795, 25489), (1065, 19027), (1077, 18815), (1795, 11289), (3763, 5385)]