20851918020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{463}}^1\times {\mathrm{83401}}^1$

素因数の和:83882

約数の個数: 96

約数和(自身を含む): 65013527040

約数和(自身を除く): 44161609020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 463, 540, 926, 1389, 1852, 2315, 2778, 4167, 4630, 5556, 6945, 8334, 9260, 12501, 13890, 16668, 20835, 25002, 27780, 41670, 50004, 62505, 83340, 83401, 125010, 166802, 250020, 250203, 333604, 417005, 500406, 750609, 834010, 1000812, 1251015, 1501218, 1668020, 2251827, 2502030, 3002436, 3753045, 4503654, 5004060, 7506090, 9007308, 11259135, 15012180, 22518270, 38614663, 45036540, 77229326, 115843989, 154458652, 193073315, 231687978, 347531967, 386146630, 463375956, 579219945, 695063934, 772293260, 1042595901, 1158439890, 1390127868, 1737659835, 2085191802, 2316879780, 3475319670, 4170383604, 5212979505, 6950639340, 10425959010, 20851918020]

約数ペア:

[(1, 20851918020), (2, 10425959010), (3, 6950639340), (4, 5212979505), (5, 4170383604), (6, 3475319670), (9, 2316879780), (10, 2085191802), (12, 1737659835), (15, 1390127868), (18, 1158439890), (20, 1042595901), (27, 772293260), (30, 695063934), (36, 579219945), (45, 463375956), (54, 386146630), (60, 347531967), (90, 231687978), (108, 193073315), (135, 154458652), (180, 115843989), (270, 77229326), (463, 45036540), (540, 38614663), (926, 22518270), (1389, 15012180), (1852, 11259135), (2315, 9007308), (2778, 7506090), (4167, 5004060), (4630, 4503654), (5556, 3753045), (6945, 3002436), (8334, 2502030), (9260, 2251827), (12501, 1668020), (13890, 1501218), (16668, 1251015), (20835, 1000812), (25002, 834010), (27780, 750609), (41670, 500406), (50004, 417005), (62505, 333604), (83340, 250203), (83401, 250020), (125010, 166802)]