20218584

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{439}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 53856000

約数和(自身を除く): 33637416

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 101, 114, 152, 202, 228, 303, 404, 439, 456, 606, 808, 878, 1212, 1317, 1756, 1919, 2424, 2634, 3512, 3838, 5268, 5757, 7676, 8341, 10536, 11514, 15352, 16682, 23028, 25023, 33364, 44339, 46056, 50046, 66728, 88678, 100092, 133017, 177356, 200184, 266034, 354712, 532068, 842441, 1064136, 1684882, 2527323, 3369764, 5054646, 6739528, 10109292, 20218584]

約数ペア:

[(1, 20218584), (2, 10109292), (3, 6739528), (4, 5054646), (6, 3369764), (8, 2527323), (12, 1684882), (19, 1064136), (24, 842441), (38, 532068), (57, 354712), (76, 266034), (101, 200184), (114, 177356), (152, 133017), (202, 100092), (228, 88678), (303, 66728), (404, 50046), (439, 46056), (456, 44339), (606, 33364), (808, 25023), (878, 23028), (1212, 16682), (1317, 15352), (1756, 11514), (1919, 10536), (2424, 8341), (2634, 7676), (3512, 5757), (3838, 5268)]