20996856166

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{188729}}^1$

素因数の和:189144

約数の個数: 32

約数和(自身を含む): 37096768800

約数和(自身を除く): 16099912634

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 389, 778, 4279, 5057, 8558, 10114, 55627, 111254, 188729, 377458, 2076019, 2453477, 4152038, 4906954, 26988247, 53976494, 73415581, 146831162, 807571391, 954402553, 1615142782, 1908805106, 10498428083, 20996856166]

約数ペア:

[(1, 20996856166), (2, 10498428083), (11, 1908805106), (13, 1615142782), (22, 954402553), (26, 807571391), (143, 146831162), (286, 73415581), (389, 53976494), (778, 26988247), (4279, 4906954), (5057, 4152038), (8558, 2453477), (10114, 2076019), (55627, 377458), (111254, 188729)]