20944495

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2663}}^1$

素因数の和:2703

約数の個数: 24

約数和(自身を含む): 29762208

約数和(自身を除く): 8817713

約数列:

[1, 5, 11, 13, 55, 65, 121, 143, 605, 715, 1573, 2663, 7865, 13315, 29293, 34619, 146465, 173095, 322223, 380809, 1611115, 1904045, 4188899, 20944495]

約数ペア:

[(1, 20944495), (5, 4188899), (11, 1904045), (13, 1611115), (55, 380809), (65, 322223), (121, 173095), (143, 146465), (605, 34619), (715, 29293), (1573, 13315), (2663, 7865)]