20706473952

素因数分解:

$2^5\times 3^2\times {\mathrm{521}}^1\times {\mathrm{137999}}^1$

素因数の和:138536

約数の個数: 72

約数和(自身を含む): 58997484000

約数和(自身を除く): 38291010048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 521, 1042, 1563, 2084, 3126, 4168, 4689, 6252, 8336, 9378, 12504, 16672, 18756, 25008, 37512, 50016, 75024, 137999, 150048, 275998, 413997, 551996, 827994, 1103992, 1241991, 1655988, 2207984, 2483982, 3311976, 4415968, 4967964, 6623952, 9935928, 13247904, 19871856, 39743712, 71897479, 143794958, 215692437, 287589916, 431384874, 575179832, 647077311, 862769748, 1150359664, 1294154622, 1725539496, 2300719328, 2588309244, 3451078992, 5176618488, 6902157984, 10353236976, 20706473952]

約数ペア:

[(1, 20706473952), (2, 10353236976), (3, 6902157984), (4, 5176618488), (6, 3451078992), (8, 2588309244), (9, 2300719328), (12, 1725539496), (16, 1294154622), (18, 1150359664), (24, 862769748), (32, 647077311), (36, 575179832), (48, 431384874), (72, 287589916), (96, 215692437), (144, 143794958), (288, 71897479), (521, 39743712), (1042, 19871856), (1563, 13247904), (2084, 9935928), (3126, 6623952), (4168, 4967964), (4689, 4415968), (6252, 3311976), (8336, 2483982), (9378, 2207984), (12504, 1655988), (16672, 1241991), (18756, 1103992), (25008, 827994), (37512, 551996), (50016, 413997), (75024, 275998), (137999, 150048)]