20819136

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1$

素因数の和:486

約数の個数: 112

約数和(自身を含む): 62585600

約数和(自身を除く): 41766464

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 32, 38, 39, 48, 52, 57, 64, 76, 78, 96, 104, 114, 152, 156, 192, 208, 228, 247, 304, 312, 416, 439, 456, 494, 608, 624, 741, 832, 878, 912, 988, 1216, 1248, 1317, 1482, 1756, 1824, 1976, 2496, 2634, 2964, 3512, 3648, 3952, 5268, 5707, 5928, 7024, 7904, 8341, 10536, 11414, 11856, 14048, 15808, 16682, 17121, 21072, 22828, 23712, 25023, 28096, 33364, 34242, 42144, 45656, 47424, 50046, 66728, 68484, 84288, 91312, 100092, 108433, 133456, 136968, 182624, 200184, 216866, 266912, 273936, 325299, 365248, 400368, 433732, 533824, 547872, 650598, 800736, 867464, 1095744, 1301196, 1601472, 1734928, 2602392, 3469856, 5204784, 6939712, 10409568, 20819136]

約数ペア:

[(1, 20819136), (2, 10409568), (3, 6939712), (4, 5204784), (6, 3469856), (8, 2602392), (12, 1734928), (13, 1601472), (16, 1301196), (19, 1095744), (24, 867464), (26, 800736), (32, 650598), (38, 547872), (39, 533824), (48, 433732), (52, 400368), (57, 365248), (64, 325299), (76, 273936), (78, 266912), (96, 216866), (104, 200184), (114, 182624), (152, 136968), (156, 133456), (192, 108433), (208, 100092), (228, 91312), (247, 84288), (304, 68484), (312, 66728), (416, 50046), (439, 47424), (456, 45656), (494, 42144), (608, 34242), (624, 33364), (741, 28096), (832, 25023), (878, 23712), (912, 22828), (988, 21072), (1216, 17121), (1248, 16682), (1317, 15808), (1482, 14048), (1756, 11856), (1824, 11414), (1976, 10536), (2496, 8341), (2634, 7904), (2964, 7024), (3512, 5928), (3648, 5707), (3952, 5268)]