20825565558

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{443}}^1\times {\mathrm{159899}}^1$

素因数の和:160361

約数の個数: 48

約数和(自身を含む): 48560990400

約数和(自身を除く): 27735424842

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 443, 886, 1329, 2658, 3101, 6202, 9303, 18606, 21707, 43414, 65121, 130242, 159899, 319798, 479697, 959394, 1119293, 2238586, 3357879, 6715758, 7835051, 15670102, 23505153, 47010306, 70835257, 141670514, 212505771, 425011542, 495846799, 991693598, 1487540397, 2975080794, 3470927593, 6941855186, 10412782779, 20825565558]

約数ペア:

[(1, 20825565558), (2, 10412782779), (3, 6941855186), (6, 3470927593), (7, 2975080794), (14, 1487540397), (21, 991693598), (42, 495846799), (49, 425011542), (98, 212505771), (147, 141670514), (294, 70835257), (443, 47010306), (886, 23505153), (1329, 15670102), (2658, 7835051), (3101, 6715758), (6202, 3357879), (9303, 2238586), (18606, 1119293), (21707, 959394), (43414, 479697), (65121, 319798), (130242, 159899)]