20191706811

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{43}}^2\times {\mathrm{4349}}^1$

素因数の和:4478

約数の個数: 60

約数和(自身を含む): 31884177600

約数和(自身を除く): 11692470789

約数列:

[1, 3, 9, 27, 31, 43, 81, 93, 129, 279, 387, 837, 1161, 1333, 1849, 2511, 3483, 3999, 4349, 5547, 11997, 13047, 16641, 35991, 39141, 49923, 57319, 107973, 117423, 134819, 149769, 171957, 187007, 352269, 404457, 515871, 561021, 1213371, 1547613, 1683063, 3640113, 4642839, 5049189, 5797217, 8041301, 10920339, 15147567, 17391651, 24123903, 52174953, 72371709, 156524859, 217115127, 249280331, 469574577, 651345381, 747840993, 2243522979, 6730568937, 20191706811]

約数ペア:

[(1, 20191706811), (3, 6730568937), (9, 2243522979), (27, 747840993), (31, 651345381), (43, 469574577), (81, 249280331), (93, 217115127), (129, 156524859), (279, 72371709), (387, 52174953), (837, 24123903), (1161, 17391651), (1333, 15147567), (1849, 10920339), (2511, 8041301), (3483, 5797217), (3999, 5049189), (4349, 4642839), (5547, 3640113), (11997, 1683063), (13047, 1547613), (16641, 1213371), (35991, 561021), (39141, 515871), (49923, 404457), (57319, 352269), (107973, 187007), (117423, 171957), (134819, 149769)]