20236447400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7783249}}^1$

素因数の和:7783278

約数の個数: 48

約数和(自身を含む): 50668957500

約数和(自身を除く): 30432510100

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 7783249, 15566498, 31132996, 38916245, 62265992, 77832490, 101182237, 155664980, 194581225, 202364474, 311329960, 389162450, 404728948, 505911185, 778324900, 809457896, 1011822370, 1556649800, 2023644740, 2529555925, 4047289480, 5059111850, 10118223700, 20236447400]

約数ペア:

[(1, 20236447400), (2, 10118223700), (4, 5059111850), (5, 4047289480), (8, 2529555925), (10, 2023644740), (13, 1556649800), (20, 1011822370), (25, 809457896), (26, 778324900), (40, 505911185), (50, 404728948), (52, 389162450), (65, 311329960), (100, 202364474), (104, 194581225), (130, 155664980), (200, 101182237), (260, 77832490), (325, 62265992), (520, 38916245), (650, 31132996), (1300, 15566498), (2600, 7783249)]