20408964916

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{3571}}^1\times {\mathrm{84047}}^1$

素因数の和:87639

約数の個数: 24

約数和(自身を含む): 37827651456

約数和(自身を除く): 17418686540

約数列:

[1, 2, 4, 17, 34, 68, 3571, 7142, 14284, 60707, 84047, 121414, 168094, 242828, 336188, 1428799, 2857598, 5715196, 300131837, 600263674, 1200527348, 5102241229, 10204482458, 20408964916]

約数ペア:

[(1, 20408964916), (2, 10204482458), (4, 5102241229), (17, 1200527348), (34, 600263674), (68, 300131837), (3571, 5715196), (7142, 2857598), (14284, 1428799), (60707, 336188), (84047, 242828), (121414, 168094)]