20172672

素因数分解:

$2^7\times 3^3\times {\mathrm{13}}^1\times {\mathrm{449}}^1$

素因数の和:485

約数の個数: 128

約数和(自身を含む): 64260000

約数和(自身を除く): 44087328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 96, 104, 108, 117, 128, 144, 156, 192, 208, 216, 234, 288, 312, 351, 384, 416, 432, 449, 468, 576, 624, 702, 832, 864, 898, 936, 1152, 1248, 1347, 1404, 1664, 1728, 1796, 1872, 2496, 2694, 2808, 3456, 3592, 3744, 4041, 4992, 5388, 5616, 5837, 7184, 7488, 8082, 10776, 11232, 11674, 12123, 14368, 14976, 16164, 17511, 21552, 22464, 23348, 24246, 28736, 32328, 35022, 43104, 44928, 46696, 48492, 52533, 57472, 64656, 70044, 86208, 93392, 96984, 105066, 129312, 140088, 157599, 172416, 186784, 193968, 210132, 258624, 280176, 315198, 373568, 387936, 420264, 517248, 560352, 630396, 747136, 775872, 840528, 1120704, 1260792, 1551744, 1681056, 2241408, 2521584, 3362112, 5043168, 6724224, 10086336, 20172672]

約数ペア:

[(1, 20172672), (2, 10086336), (3, 6724224), (4, 5043168), (6, 3362112), (8, 2521584), (9, 2241408), (12, 1681056), (13, 1551744), (16, 1260792), (18, 1120704), (24, 840528), (26, 775872), (27, 747136), (32, 630396), (36, 560352), (39, 517248), (48, 420264), (52, 387936), (54, 373568), (64, 315198), (72, 280176), (78, 258624), (96, 210132), (104, 193968), (108, 186784), (117, 172416), (128, 157599), (144, 140088), (156, 129312), (192, 105066), (208, 96984), (216, 93392), (234, 86208), (288, 70044), (312, 64656), (351, 57472), (384, 52533), (416, 48492), (432, 46696), (449, 44928), (468, 43104), (576, 35022), (624, 32328), (702, 28736), (832, 24246), (864, 23348), (898, 22464), (936, 21552), (1152, 17511), (1248, 16164), (1347, 14976), (1404, 14368), (1664, 12123), (1728, 11674), (1796, 11232), (1872, 10776), (2496, 8082), (2694, 7488), (2808, 7184), (3456, 5837), (3592, 5616), (3744, 5388), (4041, 4992)]