20216815216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{577}}^1\times {\mathrm{168451}}^1$

素因数の和:169049

約数の個数: 40

約数和(自身を含む): 42256521104

約数和(自身を除く): 22039705888

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 577, 1154, 2308, 4616, 7501, 9232, 15002, 30004, 60008, 120016, 168451, 336902, 673804, 1347608, 2189863, 2695216, 4379726, 8759452, 17518904, 35037808, 97196227, 194392454, 388784908, 777569816, 1263550951, 1555139632, 2527101902, 5054203804, 10108407608, 20216815216]

約数ペア:

[(1, 20216815216), (2, 10108407608), (4, 5054203804), (8, 2527101902), (13, 1555139632), (16, 1263550951), (26, 777569816), (52, 388784908), (104, 194392454), (208, 97196227), (577, 35037808), (1154, 17518904), (2308, 8759452), (4616, 4379726), (7501, 2695216), (9232, 2189863), (15002, 1347608), (30004, 673804), (60008, 336902), (120016, 168451)]