20508724352

素因数分解:

$2^7\times {\mathrm{499}}^1\times {\mathrm{321091}}^1$

素因数の和:321604

約数の個数: 32

約数和(自身を含む): 40939230000

約数和(自身を除く): 20430505648

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 499, 998, 1996, 3992, 7984, 15968, 31936, 63872, 321091, 642182, 1284364, 2568728, 5137456, 10274912, 20549824, 41099648, 160224409, 320448818, 640897636, 1281795272, 2563590544, 5127181088, 10254362176, 20508724352]

約数ペア:

[(1, 20508724352), (2, 10254362176), (4, 5127181088), (8, 2563590544), (16, 1281795272), (32, 640897636), (64, 320448818), (128, 160224409), (499, 41099648), (998, 20549824), (1996, 10274912), (3992, 5137456), (7984, 2568728), (15968, 1284364), (31936, 642182), (63872, 321091)]