20009473911

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{106331}}^1$

素因数の和:106476

約数の個数: 48

約数和(自身を含む): 34502607360

約数和(自身を除く): 14493133449

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 103, 203, 261, 309, 609, 721, 927, 1827, 2163, 2987, 6489, 8961, 20909, 26883, 62727, 106331, 188181, 318993, 744317, 956979, 2232951, 3083599, 6698853, 9250797, 10952093, 21585193, 27752391, 32856279, 64755579, 76664651, 98568837, 194266737, 229993953, 317610697, 689981859, 952832091, 2223274879, 2858496273, 6669824637, 20009473911]

約数ペア:

[(1, 20009473911), (3, 6669824637), (7, 2858496273), (9, 2223274879), (21, 952832091), (29, 689981859), (63, 317610697), (87, 229993953), (103, 194266737), (203, 98568837), (261, 76664651), (309, 64755579), (609, 32856279), (721, 27752391), (927, 21585193), (1827, 10952093), (2163, 9250797), (2987, 6698853), (6489, 3083599), (8961, 2232951), (20909, 956979), (26883, 744317), (62727, 318993), (106331, 188181)]