17389820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{124213}}^1$

素因数の和:124229

約数の個数: 24

約数和(自身を含む): 41735904

約数和(自身を除く): 24346084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 124213, 248426, 496852, 621065, 869491, 1242130, 1738982, 2484260, 3477964, 4347455, 8694910, 17389820]

約数ペア:

[(1, 17389820), (2, 8694910), (4, 4347455), (5, 3477964), (7, 2484260), (10, 1738982), (14, 1242130), (20, 869491), (28, 621065), (35, 496852), (70, 248426), (140, 124213)]