20767285

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 34836480

約数和(自身を除く): 14069195

約数列:

[1, 5, 7, 11, 17, 19, 35, 55, 77, 85, 95, 119, 133, 167, 187, 209, 323, 385, 595, 665, 835, 935, 1045, 1169, 1309, 1463, 1615, 1837, 2261, 2839, 3173, 3553, 5845, 6545, 7315, 9185, 11305, 12859, 14195, 15865, 17765, 19873, 22211, 24871, 31229, 34903, 53941, 64295, 99365, 111055, 124355, 156145, 174515, 218603, 244321, 269705, 377587, 593351, 1093015, 1221605, 1887935, 2966755, 4153457, 20767285]

約数ペア:

[(1, 20767285), (5, 4153457), (7, 2966755), (11, 1887935), (17, 1221605), (19, 1093015), (35, 593351), (55, 377587), (77, 269705), (85, 244321), (95, 218603), (119, 174515), (133, 156145), (167, 124355), (187, 111055), (209, 99365), (323, 64295), (385, 53941), (595, 34903), (665, 31229), (835, 24871), (935, 22211), (1045, 19873), (1169, 17765), (1309, 15865), (1463, 14195), (1615, 12859), (1837, 11305), (2261, 9185), (2839, 7315), (3173, 6545), (3553, 5845)]