20201477967

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{239783}}^1$

素因数の和:239860

約数の個数: 48

約数和(自身を含む): 34114549248

約数和(自身を除く): 13913071281

約数列:

[1, 3, 9, 11, 23, 33, 37, 69, 99, 111, 207, 253, 333, 407, 759, 851, 1221, 2277, 2553, 3663, 7659, 9361, 28083, 84249, 239783, 719349, 2158047, 2637613, 5515009, 7912839, 8871971, 16545027, 23738517, 26615913, 49635081, 60665099, 79847739, 97591681, 181995297, 204055333, 292775043, 545985891, 612165999, 878325129, 1836497997, 2244608663, 6733825989, 20201477967]

約数ペア:

[(1, 20201477967), (3, 6733825989), (9, 2244608663), (11, 1836497997), (23, 878325129), (33, 612165999), (37, 545985891), (69, 292775043), (99, 204055333), (111, 181995297), (207, 97591681), (253, 79847739), (333, 60665099), (407, 49635081), (759, 26615913), (851, 23738517), (1221, 16545027), (2277, 8871971), (2553, 7912839), (3663, 5515009), (7659, 2637613), (9361, 2158047), (28083, 719349), (84249, 239783)]