20399170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{3499}}^1$

素因数の和:3570

約数の個数: 32

約数和(自身を含む): 40824000

約数和(自身を除く): 20424830

約数列:

[1, 2, 5, 10, 11, 22, 53, 55, 106, 110, 265, 530, 583, 1166, 2915, 3499, 5830, 6998, 17495, 34990, 38489, 76978, 185447, 192445, 370894, 384890, 927235, 1854470, 2039917, 4079834, 10199585, 20399170]

約数ペア:

[(1, 20399170), (2, 10199585), (5, 4079834), (10, 2039917), (11, 1854470), (22, 927235), (53, 384890), (55, 370894), (106, 192445), (110, 185447), (265, 76978), (530, 38489), (583, 34990), (1166, 17495), (2915, 6998), (3499, 5830)]