20341518903

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:606

約数の個数: 80

約数和(自身を含む): 31541168736

約数和(自身を除く): 11199649833

約数列:

[1, 3, 9, 27, 61, 81, 83, 183, 193, 249, 257, 549, 579, 747, 771, 1647, 1737, 2241, 2313, 4941, 5063, 5211, 6723, 6939, 11773, 15189, 15633, 15677, 16019, 20817, 21331, 35319, 45567, 47031, 48057, 49601, 63993, 105957, 136701, 141093, 144171, 148803, 191979, 317871, 410103, 423279, 432513, 446409, 575937, 953613, 977159, 1269837, 1297539, 1301191, 1339227, 1727811, 2931477, 3025661, 3903573, 4017681, 4116883, 8794431, 9076983, 11710719, 12350649, 26383293, 27230949, 35132157, 37051947, 79149879, 81692847, 105396471, 111155841, 245078541, 251129863, 333467523, 753389589, 2260168767, 6780506301, 20341518903]

約数ペア:

[(1, 20341518903), (3, 6780506301), (9, 2260168767), (27, 753389589), (61, 333467523), (81, 251129863), (83, 245078541), (183, 111155841), (193, 105396471), (249, 81692847), (257, 79149879), (549, 37051947), (579, 35132157), (747, 27230949), (771, 26383293), (1647, 12350649), (1737, 11710719), (2241, 9076983), (2313, 8794431), (4941, 4116883), (5063, 4017681), (5211, 3903573), (6723, 3025661), (6939, 2931477), (11773, 1727811), (15189, 1339227), (15633, 1301191), (15677, 1297539), (16019, 1269837), (20817, 977159), (21331, 953613), (35319, 575937), (45567, 446409), (47031, 432513), (48057, 423279), (49601, 410103), (63993, 317871), (105957, 191979), (136701, 148803), (141093, 144171)]