20218302

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 49109760

約数和(自身を除く): 28891458

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 83, 117, 166, 234, 249, 347, 351, 498, 694, 702, 747, 1041, 1079, 1494, 2082, 2158, 2241, 3123, 3237, 4482, 4511, 6246, 6474, 9022, 9369, 9711, 13533, 18738, 19422, 27066, 28801, 29133, 40599, 57602, 58266, 81198, 86403, 121797, 172806, 243594, 259209, 374413, 518418, 748826, 777627, 1123239, 1555254, 2246478, 3369717, 6739434, 10109151, 20218302]

約数ペア:

[(1, 20218302), (2, 10109151), (3, 6739434), (6, 3369717), (9, 2246478), (13, 1555254), (18, 1123239), (26, 777627), (27, 748826), (39, 518418), (54, 374413), (78, 259209), (83, 243594), (117, 172806), (166, 121797), (234, 86403), (249, 81198), (347, 58266), (351, 57602), (498, 40599), (694, 29133), (702, 28801), (747, 27066), (1041, 19422), (1079, 18738), (1494, 13533), (2082, 9711), (2158, 9369), (2241, 9022), (3123, 6474), (3237, 6246), (4482, 4511)]