20942288

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{4129}}^1$

素因数の和:4454

約数の個数: 20

約数和(自身を含む): 40713540

約数和(自身を除く): 19771252

約数列:

[1, 2, 4, 8, 16, 317, 634, 1268, 2536, 4129, 5072, 8258, 16516, 33032, 66064, 1308893, 2617786, 5235572, 10471144, 20942288]

約数ペア:

[(1, 20942288), (2, 10471144), (4, 5235572), (8, 2617786), (16, 1308893), (317, 66064), (634, 33032), (1268, 16516), (2536, 8258), (4129, 5072)]