20510172

素因数分解:

$2^2\times 3^5\times {\mathrm{21101}}^1$

素因数の和:21120

約数の個数: 36

約数和(自身を含む): 53767896

約数和(自身を除く): 33257724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 21101, 42202, 63303, 84404, 126606, 189909, 253212, 379818, 569727, 759636, 1139454, 1709181, 2278908, 3418362, 5127543, 6836724, 10255086, 20510172]

約数ペア:

[(1, 20510172), (2, 10255086), (3, 6836724), (4, 5127543), (6, 3418362), (9, 2278908), (12, 1709181), (18, 1139454), (27, 759636), (36, 569727), (54, 379818), (81, 253212), (108, 189909), (162, 126606), (243, 84404), (324, 63303), (486, 42202), (972, 21101)]