20082281560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{9907}}^1$

素因数の和:10217

約数の個数: 128

約数和(自身を含む): 52390333440

約数和(自身を除く): 32308051880

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 271, 340, 374, 440, 542, 680, 748, 935, 1084, 1355, 1496, 1870, 2168, 2710, 2981, 3740, 4607, 5420, 5962, 7480, 9214, 9907, 10840, 11924, 14905, 18428, 19814, 23035, 23848, 29810, 36856, 39628, 46070, 49535, 50677, 59620, 79256, 92140, 99070, 101354, 108977, 119240, 168419, 184280, 198140, 202708, 217954, 253385, 336838, 396280, 405416, 435908, 506770, 544885, 673676, 842095, 871816, 1013540, 1089770, 1347352, 1684190, 1852609, 2027080, 2179540, 2684797, 3368380, 3705218, 4359080, 5369594, 6736760, 7410436, 9263045, 10739188, 13423985, 14820872, 18526090, 21478376, 26847970, 29532767, 37052180, 45641549, 53695940, 59065534, 74104360, 91283098, 107391880, 118131068, 147663835, 182566196, 228207745, 236262136, 295327670, 365132392, 456415490, 502057039, 590655340, 912830980, 1004114078, 1181310680, 1825661960, 2008228156, 2510285195, 4016456312, 5020570390, 10041140780, 20082281560]

約数ペア:

[(1, 20082281560), (2, 10041140780), (4, 5020570390), (5, 4016456312), (8, 2510285195), (10, 2008228156), (11, 1825661960), (17, 1181310680), (20, 1004114078), (22, 912830980), (34, 590655340), (40, 502057039), (44, 456415490), (55, 365132392), (68, 295327670), (85, 236262136), (88, 228207745), (110, 182566196), (136, 147663835), (170, 118131068), (187, 107391880), (220, 91283098), (271, 74104360), (340, 59065534), (374, 53695940), (440, 45641549), (542, 37052180), (680, 29532767), (748, 26847970), (935, 21478376), (1084, 18526090), (1355, 14820872), (1496, 13423985), (1870, 10739188), (2168, 9263045), (2710, 7410436), (2981, 6736760), (3740, 5369594), (4607, 4359080), (5420, 3705218), (5962, 3368380), (7480, 2684797), (9214, 2179540), (9907, 2027080), (10840, 1852609), (11924, 1684190), (14905, 1347352), (18428, 1089770), (19814, 1013540), (23035, 871816), (23848, 842095), (29810, 673676), (36856, 544885), (39628, 506770), (46070, 435908), (49535, 405416), (50677, 396280), (59620, 336838), (79256, 253385), (92140, 217954), (99070, 202708), (101354, 198140), (108977, 184280), (119240, 168419)]