20152288

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{251}}^1$

素因数の和:467

約数の個数: 48

約数和(自身を含む): 43119216

約数和(自身を除く): 22966928

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 193, 208, 251, 386, 416, 502, 772, 1004, 1544, 2008, 2509, 3088, 3263, 4016, 5018, 6176, 6526, 8032, 10036, 13052, 20072, 26104, 40144, 48443, 52208, 80288, 96886, 104416, 193772, 387544, 629759, 775088, 1259518, 1550176, 2519036, 5038072, 10076144, 20152288]

約数ペア:

[(1, 20152288), (2, 10076144), (4, 5038072), (8, 2519036), (13, 1550176), (16, 1259518), (26, 775088), (32, 629759), (52, 387544), (104, 193772), (193, 104416), (208, 96886), (251, 80288), (386, 52208), (416, 48443), (502, 40144), (772, 26104), (1004, 20072), (1544, 13052), (2008, 10036), (2509, 8032), (3088, 6526), (3263, 6176), (4016, 5018)]