20619396

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11689}}^1$

素因数の和:11713

約数の個数: 54

約数和(自身を含む): 60636030

約数和(自身を除く): 40016634

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 11689, 23378, 35067, 46756, 70134, 81823, 105201, 140268, 163646, 210402, 245469, 327292, 420804, 490938, 572761, 736407, 981876, 1145522, 1472814, 1718283, 2291044, 2945628, 3436566, 5154849, 6873132, 10309698, 20619396]

約数ペア:

[(1, 20619396), (2, 10309698), (3, 6873132), (4, 5154849), (6, 3436566), (7, 2945628), (9, 2291044), (12, 1718283), (14, 1472814), (18, 1145522), (21, 981876), (28, 736407), (36, 572761), (42, 490938), (49, 420804), (63, 327292), (84, 245469), (98, 210402), (126, 163646), (147, 140268), (196, 105201), (252, 81823), (294, 70134), (441, 46756), (588, 35067), (882, 23378), (1764, 11689)]