20408965168

素因数分解:

$2^4\times {\mathrm{2887}}^1\times {\mathrm{441829}}^1$

素因数の和:444724

約数の個数: 20

約数和(自身を含む): 39556156240

約数和(自身を除く): 19147191072

約数列:

[1, 2, 4, 8, 16, 2887, 5774, 11548, 23096, 46192, 441829, 883658, 1767316, 3534632, 7069264, 1275560323, 2551120646, 5102241292, 10204482584, 20408965168]

約数ペア:

[(1, 20408965168), (2, 10204482584), (4, 5102241292), (8, 2551120646), (16, 1275560323), (2887, 7069264), (5774, 3534632), (11548, 1767316), (23096, 883658), (46192, 441829)]