20746656008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6435067}}^1$

素因数の和:6435117

約数の個数: 32

約数和(自身を含む): 43243656960

約数和(自身を除く): 22497000952

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 6435067, 12870134, 25740268, 51480536, 83655871, 167311742, 199487077, 334623484, 398974154, 669246968, 797948308, 1595896616, 2593332001, 5186664002, 10373328004, 20746656008]

約数ペア:

[(1, 20746656008), (2, 10373328004), (4, 5186664002), (8, 2593332001), (13, 1595896616), (26, 797948308), (31, 669246968), (52, 398974154), (62, 334623484), (104, 199487077), (124, 167311742), (248, 83655871), (403, 51480536), (806, 25740268), (1612, 12870134), (3224, 6435067)]