20384686

素因数分解:

$2^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{2633}}^1$

素因数の和:2728

約数の個数: 24

約数和(自身を含む): 36033120

約数和(自身を除く): 15648434

約数列:

[1, 2, 7, 14, 49, 79, 98, 158, 553, 1106, 2633, 3871, 5266, 7742, 18431, 36862, 129017, 208007, 258034, 416014, 1456049, 2912098, 10192343, 20384686]

約数ペア:

[(1, 20384686), (2, 10192343), (7, 2912098), (14, 1456049), (49, 416014), (79, 258034), (98, 208007), (158, 129017), (553, 36862), (1106, 18431), (2633, 7742), (3871, 5266)]