20717507536

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{617}}^1\times {\mathrm{190783}}^1$

素因数の和:191419

約数の個数: 40

約数和(自身を含む): 43860478464

約数和(自身を除く): 23142970928

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 617, 1234, 2468, 4936, 6787, 9872, 13574, 27148, 54296, 108592, 190783, 381566, 763132, 1526264, 2098613, 3052528, 4197226, 8394452, 16788904, 33577808, 117713111, 235426222, 470852444, 941704888, 1294844221, 1883409776, 2589688442, 5179376884, 10358753768, 20717507536]

約数ペア:

[(1, 20717507536), (2, 10358753768), (4, 5179376884), (8, 2589688442), (11, 1883409776), (16, 1294844221), (22, 941704888), (44, 470852444), (88, 235426222), (176, 117713111), (617, 33577808), (1234, 16788904), (2468, 8394452), (4936, 4197226), (6787, 3052528), (9872, 2098613), (13574, 1526264), (27148, 763132), (54296, 381566), (108592, 190783)]