20813728

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{50033}}^1$

素因数の和:50056

約数の個数: 24

約数和(自身を含む): 44129988

約数和(自身を除く): 23316260

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 50033, 100066, 200132, 400264, 650429, 800528, 1300858, 1601056, 2601716, 5203432, 10406864, 20813728]

約数ペア:

[(1, 20813728), (2, 10406864), (4, 5203432), (8, 2601716), (13, 1601056), (16, 1300858), (26, 800528), (32, 650429), (52, 400264), (104, 200132), (208, 100066), (416, 50033)]