20657103680

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{51767}}^1$

素因数の和:51856

約数の個数: 112

約数和(自身を含む): 52070325120

約数和(自身を除く): 31413221440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 43, 58, 64, 80, 86, 116, 145, 160, 172, 215, 232, 290, 320, 344, 430, 464, 580, 688, 860, 928, 1160, 1247, 1376, 1720, 1856, 2320, 2494, 2752, 3440, 4640, 4988, 6235, 6880, 9280, 9976, 12470, 13760, 19952, 24940, 39904, 49880, 51767, 79808, 99760, 103534, 199520, 207068, 258835, 399040, 414136, 517670, 828272, 1035340, 1501243, 1656544, 2070680, 2225981, 3002486, 3313088, 4141360, 4451962, 6004972, 7506215, 8282720, 8903924, 11129905, 12009944, 15012430, 16565440, 17807848, 22259810, 24019888, 30024860, 35615696, 44519620, 48039776, 60049720, 64553449, 71231392, 89039240, 96079552, 120099440, 129106898, 142462784, 178078480, 240198880, 258213796, 322767245, 356156960, 480397760, 516427592, 645534490, 712313920, 1032855184, 1291068980, 2065710368, 2582137960, 4131420736, 5164275920, 10328551840, 20657103680]

約数ペア:

[(1, 20657103680), (2, 10328551840), (4, 5164275920), (5, 4131420736), (8, 2582137960), (10, 2065710368), (16, 1291068980), (20, 1032855184), (29, 712313920), (32, 645534490), (40, 516427592), (43, 480397760), (58, 356156960), (64, 322767245), (80, 258213796), (86, 240198880), (116, 178078480), (145, 142462784), (160, 129106898), (172, 120099440), (215, 96079552), (232, 89039240), (290, 71231392), (320, 64553449), (344, 60049720), (430, 48039776), (464, 44519620), (580, 35615696), (688, 30024860), (860, 24019888), (928, 22259810), (1160, 17807848), (1247, 16565440), (1376, 15012430), (1720, 12009944), (1856, 11129905), (2320, 8903924), (2494, 8282720), (2752, 7506215), (3440, 6004972), (4640, 4451962), (4988, 4141360), (6235, 3313088), (6880, 3002486), (9280, 2225981), (9976, 2070680), (12470, 1656544), (13760, 1501243), (19952, 1035340), (24940, 828272), (39904, 517670), (49880, 414136), (51767, 399040), (79808, 258835), (99760, 207068), (103534, 199520)]