20917052

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{9811}}^1$

素因数の和:9869

約数の個数: 24

約数和(自身を含む): 40386192

約数和(自身を除く): 19469140

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 533, 1066, 2132, 9811, 19622, 39244, 127543, 255086, 402251, 510172, 804502, 1609004, 5229263, 10458526, 20917052]

約数ペア:

[(1, 20917052), (2, 10458526), (4, 5229263), (13, 1609004), (26, 804502), (41, 510172), (52, 402251), (82, 255086), (164, 127543), (533, 39244), (1066, 19622), (2132, 9811)]