20121714335

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{2237}}^1$

素因数の和:2432

約数の個数: 64

約数和(自身を含む): 27565857792

約数和(自身を除く): 7444143457

約数列:

[1, 5, 17, 23, 43, 85, 107, 115, 215, 391, 535, 731, 989, 1819, 1955, 2237, 2461, 3655, 4601, 4945, 9095, 11185, 12305, 16813, 23005, 38029, 41837, 51451, 78217, 84065, 96191, 105823, 190145, 209185, 239359, 257255, 391085, 480955, 529115, 874667, 1196795, 1635247, 1798991, 2212393, 4069103, 4373335, 5505257, 8176235, 8994955, 10292437, 11061965, 20345515, 27526285, 37610681, 51462185, 93589369, 174971429, 188053405, 236726051, 467946845, 874857145, 1183630255, 4024342867, 20121714335]

約数ペア:

[(1, 20121714335), (5, 4024342867), (17, 1183630255), (23, 874857145), (43, 467946845), (85, 236726051), (107, 188053405), (115, 174971429), (215, 93589369), (391, 51462185), (535, 37610681), (731, 27526285), (989, 20345515), (1819, 11061965), (1955, 10292437), (2237, 8994955), (2461, 8176235), (3655, 5505257), (4601, 4373335), (4945, 4069103), (9095, 2212393), (11185, 1798991), (12305, 1635247), (16813, 1196795), (23005, 874667), (38029, 529115), (41837, 480955), (51451, 391085), (78217, 257255), (84065, 239359), (96191, 209185), (105823, 190145)]