20512991502

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{8834191}}^1$

素因数の和:8834245

約数の個数: 32

約数和(自身を含む): 46644533760

約数和(自身を除く): 26131542258

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 86, 129, 258, 387, 774, 1161, 2322, 8834191, 17668382, 26502573, 53005146, 79507719, 159015438, 238523157, 379870213, 477046314, 759740426, 1139610639, 2279221278, 3418831917, 6837663834, 10256495751, 20512991502]

約数ペア:

[(1, 20512991502), (2, 10256495751), (3, 6837663834), (6, 3418831917), (9, 2279221278), (18, 1139610639), (27, 759740426), (43, 477046314), (54, 379870213), (86, 238523157), (129, 159015438), (258, 79507719), (387, 53005146), (774, 26502573), (1161, 17668382), (2322, 8834191)]