20065245

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{239}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 33523200

約数和(自身を除く): 13457955

約数列:

[1, 3, 5, 15, 29, 87, 145, 193, 239, 435, 579, 717, 965, 1195, 2895, 3585, 5597, 6931, 16791, 20793, 27985, 34655, 46127, 83955, 103965, 138381, 230635, 691905, 1337683, 4013049, 6688415, 20065245]

約数ペア:

[(1, 20065245), (3, 6688415), (5, 4013049), (15, 1337683), (29, 691905), (87, 230635), (145, 138381), (193, 103965), (239, 83955), (435, 46127), (579, 34655), (717, 27985), (965, 20793), (1195, 16791), (2895, 6931), (3585, 5597)]