20422072

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{971}}^1$

素因数の和:1227

約数の個数: 32

約数和(自身を含む): 41990400

約数和(自身を除く): 21568328

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 239, 478, 956, 971, 1912, 1942, 2629, 3884, 5258, 7768, 10516, 10681, 21032, 21362, 42724, 85448, 232069, 464138, 928276, 1856552, 2552759, 5105518, 10211036, 20422072]

約数ペア:

[(1, 20422072), (2, 10211036), (4, 5105518), (8, 2552759), (11, 1856552), (22, 928276), (44, 464138), (88, 232069), (239, 85448), (478, 42724), (956, 21362), (971, 21032), (1912, 10681), (1942, 10516), (2629, 7768), (3884, 5258)]