20720352

素因数分解:

$2^5\times 3^1\times {\mathrm{101}}^1\times {\mathrm{2137}}^1$

素因数の和:2251

約数の個数: 48

約数和(自身を含む): 54955152

約数和(自身を除く): 34234800

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 101, 202, 303, 404, 606, 808, 1212, 1616, 2137, 2424, 3232, 4274, 4848, 6411, 8548, 9696, 12822, 17096, 25644, 34192, 51288, 68384, 102576, 205152, 215837, 431674, 647511, 863348, 1295022, 1726696, 2590044, 3453392, 5180088, 6906784, 10360176, 20720352]

約数ペア:

[(1, 20720352), (2, 10360176), (3, 6906784), (4, 5180088), (6, 3453392), (8, 2590044), (12, 1726696), (16, 1295022), (24, 863348), (32, 647511), (48, 431674), (96, 215837), (101, 205152), (202, 102576), (303, 68384), (404, 51288), (606, 34192), (808, 25644), (1212, 17096), (1616, 12822), (2137, 9696), (2424, 8548), (3232, 6411), (4274, 4848)]