20858004

素因数分解:

$2^2\times 3^2\times {\mathrm{263}}^1\times {\mathrm{2203}}^1$

素因数の和:2476

約数の個数: 36

約数和(自身を含む): 52948896

約数和(自身を除く): 32090892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 263, 526, 789, 1052, 1578, 2203, 2367, 3156, 4406, 4734, 6609, 8812, 9468, 13218, 19827, 26436, 39654, 79308, 579389, 1158778, 1738167, 2317556, 3476334, 5214501, 6952668, 10429002, 20858004]

約数ペア:

[(1, 20858004), (2, 10429002), (3, 6952668), (4, 5214501), (6, 3476334), (9, 2317556), (12, 1738167), (18, 1158778), (36, 579389), (263, 79308), (526, 39654), (789, 26436), (1052, 19827), (1578, 13218), (2203, 9468), (2367, 8812), (3156, 6609), (4406, 4734)]