20033390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2111}}^1$

素因数の和:2204

約数の個数: 32

約数和(自身を含む): 39384576

約数和(自身を除く): 19351186

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 949, 1898, 2111, 4222, 4745, 9490, 10555, 21110, 27443, 54886, 137215, 154103, 274430, 308206, 770515, 1541030, 2003339, 4006678, 10016695, 20033390]

約数ペア:

[(1, 20033390), (2, 10016695), (5, 4006678), (10, 2003339), (13, 1541030), (26, 770515), (65, 308206), (73, 274430), (130, 154103), (146, 137215), (365, 54886), (730, 27443), (949, 21110), (1898, 10555), (2111, 9490), (4222, 4745)]