20178574992

素因数分解:

$2^4\times 3^2\times {\mathrm{229}}^1\times {\mathrm{257}}^1\times {\mathrm{2381}}^1$

素因数の和:2881

約数の個数: 120

約数和(自身を含む): 56963195640

約数和(自身を除く): 36784620648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 229, 257, 458, 514, 687, 771, 916, 1028, 1374, 1542, 1832, 2056, 2061, 2313, 2381, 2748, 3084, 3664, 4112, 4122, 4626, 4762, 5496, 6168, 7143, 8244, 9252, 9524, 10992, 12336, 14286, 16488, 18504, 19048, 21429, 28572, 32976, 37008, 38096, 42858, 57144, 58853, 85716, 114288, 117706, 171432, 176559, 235412, 342864, 353118, 470824, 529677, 545249, 611917, 706236, 941648, 1059354, 1090498, 1223834, 1412472, 1635747, 1835751, 2118708, 2180996, 2447668, 2824944, 3271494, 3671502, 4237416, 4361992, 4895336, 4907241, 5507253, 6542988, 7343004, 8474832, 8723984, 9790672, 9814482, 11014506, 13085976, 14686008, 19628964, 22029012, 26171952, 29372016, 39257928, 44058024, 78515856, 88116048, 140128993, 280257986, 420386979, 560515972, 840773958, 1121031944, 1261160937, 1681547916, 2242063888, 2522321874, 3363095832, 5044643748, 6726191664, 10089287496, 20178574992]

約数ペア:

[(1, 20178574992), (2, 10089287496), (3, 6726191664), (4, 5044643748), (6, 3363095832), (8, 2522321874), (9, 2242063888), (12, 1681547916), (16, 1261160937), (18, 1121031944), (24, 840773958), (36, 560515972), (48, 420386979), (72, 280257986), (144, 140128993), (229, 88116048), (257, 78515856), (458, 44058024), (514, 39257928), (687, 29372016), (771, 26171952), (916, 22029012), (1028, 19628964), (1374, 14686008), (1542, 13085976), (1832, 11014506), (2056, 9814482), (2061, 9790672), (2313, 8723984), (2381, 8474832), (2748, 7343004), (3084, 6542988), (3664, 5507253), (4112, 4907241), (4122, 4895336), (4626, 4361992), (4762, 4237416), (5496, 3671502), (6168, 3271494), (7143, 2824944), (8244, 2447668), (9252, 2180996), (9524, 2118708), (10992, 1835751), (12336, 1635747), (14286, 1412472), (16488, 1223834), (18504, 1090498), (19048, 1059354), (21429, 941648), (28572, 706236), (32976, 611917), (37008, 545249), (38096, 529677), (42858, 470824), (57144, 353118), (58853, 342864), (85716, 235412), (114288, 176559), (117706, 171432)]