20578808

素因数分解:

$2^3\times {\mathrm{37}}^2\times {\mathrm{1879}}^1$

素因数の和:1959

約数の個数: 24

約数和(自身を含む): 39677400

約数和(自身を除く): 19098592

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 1369, 1879, 2738, 3758, 5476, 7516, 10952, 15032, 69523, 139046, 278092, 556184, 2572351, 5144702, 10289404, 20578808]

約数ペア:

[(1, 20578808), (2, 10289404), (4, 5144702), (8, 2572351), (37, 556184), (74, 278092), (148, 139046), (296, 69523), (1369, 15032), (1879, 10952), (2738, 7516), (3758, 5476)]