20163702860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{103393}}^1$

素因数の和:103615

約数の個数: 72

約数和(自身を含む): 49505047200

約数和(自身を除く): 29341344340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 199, 245, 398, 490, 796, 980, 995, 1393, 1990, 2786, 3980, 5572, 6965, 9751, 13930, 19502, 27860, 39004, 48755, 97510, 103393, 195020, 206786, 413572, 516965, 723751, 1033930, 1447502, 2067860, 2895004, 3618755, 5066257, 7237510, 10132514, 14475020, 20265028, 20575207, 25331285, 41150414, 50662570, 82300828, 101325140, 102876035, 144026449, 205752070, 288052898, 411504140, 576105796, 720132245, 1008185143, 1440264490, 2016370286, 2880528980, 4032740572, 5040925715, 10081851430, 20163702860]

約数ペア:

[(1, 20163702860), (2, 10081851430), (4, 5040925715), (5, 4032740572), (7, 2880528980), (10, 2016370286), (14, 1440264490), (20, 1008185143), (28, 720132245), (35, 576105796), (49, 411504140), (70, 288052898), (98, 205752070), (140, 144026449), (196, 102876035), (199, 101325140), (245, 82300828), (398, 50662570), (490, 41150414), (796, 25331285), (980, 20575207), (995, 20265028), (1393, 14475020), (1990, 10132514), (2786, 7237510), (3980, 5066257), (5572, 3618755), (6965, 2895004), (9751, 2067860), (13930, 1447502), (19502, 1033930), (27860, 723751), (39004, 516965), (48755, 413572), (97510, 206786), (103393, 195020)]