20605272

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{619}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 55056000

約数和(自身を除く): 34450728

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 73, 76, 114, 146, 152, 219, 228, 292, 438, 456, 584, 619, 876, 1238, 1387, 1752, 1857, 2476, 2774, 3714, 4161, 4952, 5548, 7428, 8322, 11096, 11761, 14856, 16644, 23522, 33288, 35283, 45187, 47044, 70566, 90374, 94088, 135561, 141132, 180748, 271122, 282264, 361496, 542244, 858553, 1084488, 1717106, 2575659, 3434212, 5151318, 6868424, 10302636, 20605272]

約数ペア:

[(1, 20605272), (2, 10302636), (3, 6868424), (4, 5151318), (6, 3434212), (8, 2575659), (12, 1717106), (19, 1084488), (24, 858553), (38, 542244), (57, 361496), (73, 282264), (76, 271122), (114, 180748), (146, 141132), (152, 135561), (219, 94088), (228, 90374), (292, 70566), (438, 47044), (456, 45187), (584, 35283), (619, 33288), (876, 23522), (1238, 16644), (1387, 14856), (1752, 11761), (1857, 11096), (2476, 8322), (2774, 7428), (3714, 5548), (4161, 4952)]