20658858

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{3517}}^1$

素因数の和:3622

約数の個数: 32

約数和(自身を含む): 45593280

約数和(自身を除く): 24934422

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 89, 178, 267, 534, 979, 1958, 2937, 3517, 5874, 7034, 10551, 21102, 38687, 77374, 116061, 232122, 313013, 626026, 939039, 1878078, 3443143, 6886286, 10329429, 20658858]

約数ペア:

[(1, 20658858), (2, 10329429), (3, 6886286), (6, 3443143), (11, 1878078), (22, 939039), (33, 626026), (66, 313013), (89, 232122), (178, 116061), (267, 77374), (534, 38687), (979, 21102), (1958, 10551), (2937, 7034), (3517, 5874)]