20293364

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{283}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 44085888

約数和(自身を除く): 23792524

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 197, 283, 364, 394, 566, 788, 1132, 1379, 1981, 2561, 2758, 3679, 3962, 5122, 5516, 7358, 7924, 10244, 14716, 17927, 25753, 35854, 51506, 55751, 71708, 103012, 111502, 223004, 390257, 724763, 780514, 1449526, 1561028, 2899052, 5073341, 10146682, 20293364]

約数ペア:

[(1, 20293364), (2, 10146682), (4, 5073341), (7, 2899052), (13, 1561028), (14, 1449526), (26, 780514), (28, 724763), (52, 390257), (91, 223004), (182, 111502), (197, 103012), (283, 71708), (364, 55751), (394, 51506), (566, 35854), (788, 25753), (1132, 17927), (1379, 14716), (1981, 10244), (2561, 7924), (2758, 7358), (3679, 5516), (3962, 5122)]