20512225818

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{433}}^1\times {\mathrm{375971}}^1$

素因数の和:376419

約数の個数: 48

約数和(自身を含む): 50909616576

約数和(自身を除く): 30397390758

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 433, 866, 1299, 2598, 3031, 3897, 6062, 7794, 9093, 18186, 27279, 54558, 375971, 751942, 1127913, 2255826, 2631797, 3383739, 5263594, 6767478, 7895391, 15790782, 23686173, 47372346, 162795443, 325590886, 488386329, 976772658, 1139568101, 1465158987, 2279136202, 2930317974, 3418704303, 6837408606, 10256112909, 20512225818]

約数ペア:

[(1, 20512225818), (2, 10256112909), (3, 6837408606), (6, 3418704303), (7, 2930317974), (9, 2279136202), (14, 1465158987), (18, 1139568101), (21, 976772658), (42, 488386329), (63, 325590886), (126, 162795443), (433, 47372346), (866, 23686173), (1299, 15790782), (2598, 7895391), (3031, 6767478), (3897, 5263594), (6062, 3383739), (7794, 2631797), (9093, 2255826), (18186, 1127913), (27279, 751942), (54558, 375971)]