20828508

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 49889280

約数和(自身を除く): 29060772

約数列:

[1, 2, 3, 4, 6, 12, 79, 127, 158, 173, 237, 254, 316, 346, 381, 474, 508, 519, 692, 762, 948, 1038, 1524, 2076, 10033, 13667, 20066, 21971, 27334, 30099, 40132, 41001, 43942, 54668, 60198, 65913, 82002, 87884, 120396, 131826, 164004, 263652, 1735709, 3471418, 5207127, 6942836, 10414254, 20828508]

約数ペア:

[(1, 20828508), (2, 10414254), (3, 6942836), (4, 5207127), (6, 3471418), (12, 1735709), (79, 263652), (127, 164004), (158, 131826), (173, 120396), (237, 87884), (254, 82002), (316, 65913), (346, 60198), (381, 54668), (474, 43942), (508, 41001), (519, 40132), (692, 30099), (762, 27334), (948, 21971), (1038, 20066), (1524, 13667), (2076, 10033)]