20025992

素因数分解:

$2^3\times 7^1\times {\mathrm{277}}^1\times {\mathrm{1291}}^1$

素因数の和:1581

約数の個数: 32

約数和(自身を含む): 43101120

約数和(自身を除く): 23075128

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 277, 554, 1108, 1291, 1939, 2216, 2582, 3878, 5164, 7756, 9037, 10328, 15512, 18074, 36148, 72296, 357607, 715214, 1430428, 2503249, 2860856, 5006498, 10012996, 20025992]

約数ペア:

[(1, 20025992), (2, 10012996), (4, 5006498), (7, 2860856), (8, 2503249), (14, 1430428), (28, 715214), (56, 357607), (277, 72296), (554, 36148), (1108, 18074), (1291, 15512), (1939, 10328), (2216, 9037), (2582, 7756), (3878, 5164)]