20797364060920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1\times {\mathrm{34199441}}^1$

素因数の和:34200136

約数の個数: 64

約数和(自身を含む): 48902466104640

約数和(自身を除く): 28105102043720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 661, 920, 1322, 2644, 3305, 5288, 6610, 13220, 15203, 26440, 30406, 60812, 76015, 121624, 152030, 304060, 608120, 34199441, 68398882, 136797764, 170997205, 273595528, 341994410, 683988820, 786587143, 1367977640, 1573174286, 3146348572, 3932935715, 6292697144, 7865871430, 15731742860, 22605830501, 31463485720, 45211661002, 90423322004, 113029152505, 180846644008, 226058305010, 452116610020, 519934101523, 904233220040, 1039868203046, 2079736406092, 2599670507615, 4159472812184, 5199341015230, 10398682030460, 20797364060920]

約数ペア:

[(1, 20797364060920), (2, 10398682030460), (4, 5199341015230), (5, 4159472812184), (8, 2599670507615), (10, 2079736406092), (20, 1039868203046), (23, 904233220040), (40, 519934101523), (46, 452116610020), (92, 226058305010), (115, 180846644008), (184, 113029152505), (230, 90423322004), (460, 45211661002), (661, 31463485720), (920, 22605830501), (1322, 15731742860), (2644, 7865871430), (3305, 6292697144), (5288, 3932935715), (6610, 3146348572), (13220, 1573174286), (15203, 1367977640), (26440, 786587143), (30406, 683988820), (60812, 341994410), (76015, 273595528), (121624, 170997205), (152030, 136797764), (304060, 68398882), (608120, 34199441)]