20319577201

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{2801}}^1$

素因数の和:3182

約数の個数: 48

約数和(自身を含む): 26479303488

約数和(自身を除く): 6159726287

約数列:

[1, 7, 11, 43, 49, 77, 301, 313, 473, 539, 2107, 2191, 2801, 3311, 3443, 13459, 15337, 19607, 23177, 24101, 30811, 94213, 120443, 137249, 148049, 168707, 215677, 659491, 843101, 876713, 1036343, 1324873, 1509739, 5901707, 6136991, 7254401, 9274111, 9643843, 37698659, 42958937, 64918777, 67506901, 263890613, 414685249, 472548307, 1847234291, 2902796743, 20319577201]

約数ペア:

[(1, 20319577201), (7, 2902796743), (11, 1847234291), (43, 472548307), (49, 414685249), (77, 263890613), (301, 67506901), (313, 64918777), (473, 42958937), (539, 37698659), (2107, 9643843), (2191, 9274111), (2801, 7254401), (3311, 6136991), (3443, 5901707), (13459, 1509739), (15337, 1324873), (19607, 1036343), (23177, 876713), (24101, 843101), (30811, 659491), (94213, 215677), (120443, 168707), (137249, 148049)]