20998833480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{68543}}^1$

素因数の和:68620

約数の個数: 192

約数和(自身を含む): 73139189760

約数和(自身を除く): 52140356280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 37, 40, 45, 46, 60, 69, 72, 74, 90, 92, 111, 115, 120, 138, 148, 180, 184, 185, 207, 222, 230, 276, 296, 333, 345, 360, 370, 414, 444, 460, 552, 555, 666, 690, 740, 828, 851, 888, 920, 1035, 1110, 1332, 1380, 1480, 1656, 1665, 1702, 2070, 2220, 2553, 2664, 2760, 3330, 3404, 4140, 4255, 4440, 5106, 6660, 6808, 7659, 8280, 8510, 10212, 12765, 13320, 15318, 17020, 20424, 25530, 30636, 34040, 38295, 51060, 61272, 68543, 76590, 102120, 137086, 153180, 205629, 274172, 306360, 342715, 411258, 548344, 616887, 685430, 822516, 1028145, 1233774, 1370860, 1576489, 1645032, 2056290, 2467548, 2536091, 2741720, 3084435, 3152978, 4112580, 4729467, 4935096, 5072182, 6168870, 6305956, 7608273, 7882445, 8225160, 9458934, 10144364, 12337740, 12611912, 12680455, 14188401, 15216546, 15764890, 18917868, 20288728, 22824819, 23647335, 24675480, 25360910, 28376802, 30433092, 31529780, 37835736, 38041365, 45649638, 47294670, 50721820, 56753604, 58330093, 60866184, 63059560, 70942005, 76082730, 91299276, 94589340, 101443640, 113507208, 114124095, 116660186, 141884010, 152165460, 174990279, 182598552, 189178680, 228248190, 233320372, 283768020, 291650465, 304330920, 349980558, 456496380, 466640744, 524970837, 567536040, 583300930, 699961116, 874951395, 912992760, 1049941674, 1166601860, 1399922232, 1749902790, 2099883348, 2333203720, 2624854185, 3499805580, 4199766696, 5249708370, 6999611160, 10499416740, 20998833480]

約数ペア:

[(1, 20998833480), (2, 10499416740), (3, 6999611160), (4, 5249708370), (5, 4199766696), (6, 3499805580), (8, 2624854185), (9, 2333203720), (10, 2099883348), (12, 1749902790), (15, 1399922232), (18, 1166601860), (20, 1049941674), (23, 912992760), (24, 874951395), (30, 699961116), (36, 583300930), (37, 567536040), (40, 524970837), (45, 466640744), (46, 456496380), (60, 349980558), (69, 304330920), (72, 291650465), (74, 283768020), (90, 233320372), (92, 228248190), (111, 189178680), (115, 182598552), (120, 174990279), (138, 152165460), (148, 141884010), (180, 116660186), (184, 114124095), (185, 113507208), (207, 101443640), (222, 94589340), (230, 91299276), (276, 76082730), (296, 70942005), (333, 63059560), (345, 60866184), (360, 58330093), (370, 56753604), (414, 50721820), (444, 47294670), (460, 45649638), (552, 38041365), (555, 37835736), (666, 31529780), (690, 30433092), (740, 28376802), (828, 25360910), (851, 24675480), (888, 23647335), (920, 22824819), (1035, 20288728), (1110, 18917868), (1332, 15764890), (1380, 15216546), (1480, 14188401), (1656, 12680455), (1665, 12611912), (1702, 12337740), (2070, 10144364), (2220, 9458934), (2553, 8225160), (2664, 7882445), (2760, 7608273), (3330, 6305956), (3404, 6168870), (4140, 5072182), (4255, 4935096), (4440, 4729467), (5106, 4112580), (6660, 3152978), (6808, 3084435), (7659, 2741720), (8280, 2536091), (8510, 2467548), (10212, 2056290), (12765, 1645032), (13320, 1576489), (15318, 1370860), (17020, 1233774), (20424, 1028145), (25530, 822516), (30636, 685430), (34040, 616887), (38295, 548344), (51060, 411258), (61272, 342715), (68543, 306360), (76590, 274172), (102120, 205629), (137086, 153180)]