20705144

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{38629}}^1$

素因数の和:38702

約数の個数: 16

約数和(自身を含む): 39402600

約数和(自身を除く): 18697456

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 38629, 77258, 154516, 309032, 2588143, 5176286, 10352572, 20705144]

約数ペア:

[(1, 20705144), (2, 10352572), (4, 5176286), (8, 2588143), (67, 309032), (134, 154516), (268, 77258), (536, 38629)]