20109069968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{169909}}^1$

素因数の和:170499

約数の個数: 40

約数和(自身を含む): 42032335800

約数和(自身を除く): 21923265832

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 569, 1138, 2276, 4552, 7397, 9104, 14794, 29588, 59176, 118352, 169909, 339818, 679636, 1359272, 2208817, 2718544, 4417634, 8835268, 17670536, 35341072, 96678221, 193356442, 386712884, 773425768, 1256816873, 1546851536, 2513633746, 5027267492, 10054534984, 20109069968]

約数ペア:

[(1, 20109069968), (2, 10054534984), (4, 5027267492), (8, 2513633746), (13, 1546851536), (16, 1256816873), (26, 773425768), (52, 386712884), (104, 193356442), (208, 96678221), (569, 35341072), (1138, 17670536), (2276, 8835268), (4552, 4417634), (7397, 2718544), (9104, 2208817), (14794, 1359272), (29588, 679636), (59176, 339818), (118352, 169909)]