20214618900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{1777}}^1\times {\mathrm{5417}}^1$

素因数の和:7218

約数の個数: 144

約数和(自身を含む): 66892968576

約数和(自身を除く): 46678349676

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 1777, 2100, 3554, 5331, 5417, 7108, 8885, 10662, 10834, 12439, 16251, 17770, 21324, 21668, 24878, 26655, 27085, 32502, 35540, 37317, 37919, 44425, 49756, 53310, 54170, 62195, 65004, 74634, 75838, 81255, 88850, 106620, 108340, 113757, 124390, 133275, 135425, 149268, 151676, 162510, 177700, 186585, 189595, 227514, 248780, 266550, 270850, 310975, 325020, 373170, 379190, 406275, 455028, 533100, 541700, 568785, 621950, 746340, 758380, 812550, 932925, 947975, 1137570, 1243900, 1625100, 1865850, 1895950, 2275140, 2843925, 3731700, 3791900, 5687850, 9626009, 11375700, 19252018, 28878027, 38504036, 48130045, 57756054, 67382063, 96260090, 115512108, 134764126, 144390135, 192520180, 202146189, 240650225, 269528252, 288780270, 336910315, 404292378, 481300450, 577560540, 673820630, 721950675, 808584756, 962600900, 1010730945, 1347641260, 1443901350, 1684551575, 2021461890, 2887802700, 3369103150, 4042923780, 5053654725, 6738206300, 10107309450, 20214618900]

約数ペア:

[(1, 20214618900), (2, 10107309450), (3, 6738206300), (4, 5053654725), (5, 4042923780), (6, 3369103150), (7, 2887802700), (10, 2021461890), (12, 1684551575), (14, 1443901350), (15, 1347641260), (20, 1010730945), (21, 962600900), (25, 808584756), (28, 721950675), (30, 673820630), (35, 577560540), (42, 481300450), (50, 404292378), (60, 336910315), (70, 288780270), (75, 269528252), (84, 240650225), (100, 202146189), (105, 192520180), (140, 144390135), (150, 134764126), (175, 115512108), (210, 96260090), (300, 67382063), (350, 57756054), (420, 48130045), (525, 38504036), (700, 28878027), (1050, 19252018), (1777, 11375700), (2100, 9626009), (3554, 5687850), (5331, 3791900), (5417, 3731700), (7108, 2843925), (8885, 2275140), (10662, 1895950), (10834, 1865850), (12439, 1625100), (16251, 1243900), (17770, 1137570), (21324, 947975), (21668, 932925), (24878, 812550), (26655, 758380), (27085, 746340), (32502, 621950), (35540, 568785), (37317, 541700), (37919, 533100), (44425, 455028), (49756, 406275), (53310, 379190), (54170, 373170), (62195, 325020), (65004, 310975), (74634, 270850), (75838, 266550), (81255, 248780), (88850, 227514), (106620, 189595), (108340, 186585), (113757, 177700), (124390, 162510), (133275, 151676), (135425, 149268)]