20180991792

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{788813}}^1$

素因数の和:788878

約数の個数: 80

約数和(自身を含む): 57514006368

約数和(自身を除く): 37333014576

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 41, 48, 52, 78, 82, 104, 123, 156, 164, 208, 246, 312, 328, 492, 533, 624, 656, 984, 1066, 1599, 1968, 2132, 3198, 4264, 6396, 8528, 12792, 25584, 788813, 1577626, 2366439, 3155252, 4732878, 6310504, 9465756, 10254569, 12621008, 18931512, 20509138, 30763707, 32341333, 37863024, 41018276, 61527414, 64682666, 82036552, 97023999, 123054828, 129365332, 164073104, 194047998, 246109656, 258730664, 388095996, 420437329, 492219312, 517461328, 776191992, 840874658, 1261311987, 1552383984, 1681749316, 2522623974, 3363498632, 5045247948, 6726997264, 10090495896, 20180991792]

約数ペア:

[(1, 20180991792), (2, 10090495896), (3, 6726997264), (4, 5045247948), (6, 3363498632), (8, 2522623974), (12, 1681749316), (13, 1552383984), (16, 1261311987), (24, 840874658), (26, 776191992), (39, 517461328), (41, 492219312), (48, 420437329), (52, 388095996), (78, 258730664), (82, 246109656), (104, 194047998), (123, 164073104), (156, 129365332), (164, 123054828), (208, 97023999), (246, 82036552), (312, 64682666), (328, 61527414), (492, 41018276), (533, 37863024), (624, 32341333), (656, 30763707), (984, 20509138), (1066, 18931512), (1599, 12621008), (1968, 10254569), (2132, 9465756), (3198, 6310504), (4264, 4732878), (6396, 3155252), (8528, 2366439), (12792, 1577626), (25584, 788813)]