20859468

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{8563}}^1$

素因数の和:8606

約数の個数: 48

約数和(自身を含む): 57550080

約数和(自身を除く): 36690612

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 116, 174, 203, 348, 406, 609, 812, 1218, 2436, 8563, 17126, 25689, 34252, 51378, 59941, 102756, 119882, 179823, 239764, 248327, 359646, 496654, 719292, 744981, 993308, 1489962, 1738289, 2979924, 3476578, 5214867, 6953156, 10429734, 20859468]

約数ペア:

[(1, 20859468), (2, 10429734), (3, 6953156), (4, 5214867), (6, 3476578), (7, 2979924), (12, 1738289), (14, 1489962), (21, 993308), (28, 744981), (29, 719292), (42, 496654), (58, 359646), (84, 248327), (87, 239764), (116, 179823), (174, 119882), (203, 102756), (348, 59941), (406, 51378), (609, 34252), (812, 25689), (1218, 17126), (2436, 8563)]