20161618984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3178061}}^1$

素因数の和:3178141

約数の個数: 32

約数和(自身を含む): 41378367240

約数和(自身を除く): 21216748256

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 488, 793, 1586, 3172, 6344, 3178061, 6356122, 12712244, 25424488, 41314793, 82629586, 165259172, 193861721, 330518344, 387723442, 775446884, 1550893768, 2520202373, 5040404746, 10080809492, 20161618984]

約数ペア:

[(1, 20161618984), (2, 10080809492), (4, 5040404746), (8, 2520202373), (13, 1550893768), (26, 775446884), (52, 387723442), (61, 330518344), (104, 193861721), (122, 165259172), (244, 82629586), (488, 41314793), (793, 25424488), (1586, 12712244), (3172, 6356122), (6344, 3178061)]