20193765100

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{293}}^1\times {\mathrm{6323}}^1$

素因数の和:6739

約数の個数: 72

約数和(自身を含む): 44380440720

約数和(自身を除く): 24186675620

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 293, 436, 545, 586, 1090, 1172, 1465, 2180, 2725, 2930, 5450, 5860, 6323, 7325, 10900, 12646, 14650, 25292, 29300, 31615, 31937, 63230, 63874, 126460, 127748, 158075, 159685, 316150, 319370, 632300, 638740, 689207, 798425, 1378414, 1596850, 1852639, 2756828, 3193700, 3446035, 3705278, 6892070, 7410556, 9263195, 13784140, 17230175, 18526390, 34460350, 37052780, 46315975, 68920700, 92631950, 185263900, 201937651, 403875302, 807750604, 1009688255, 2019376510, 4038753020, 5048441275, 10096882550, 20193765100]

約数ペア:

[(1, 20193765100), (2, 10096882550), (4, 5048441275), (5, 4038753020), (10, 2019376510), (20, 1009688255), (25, 807750604), (50, 403875302), (100, 201937651), (109, 185263900), (218, 92631950), (293, 68920700), (436, 46315975), (545, 37052780), (586, 34460350), (1090, 18526390), (1172, 17230175), (1465, 13784140), (2180, 9263195), (2725, 7410556), (2930, 6892070), (5450, 3705278), (5860, 3446035), (6323, 3193700), (7325, 2756828), (10900, 1852639), (12646, 1596850), (14650, 1378414), (25292, 798425), (29300, 689207), (31615, 638740), (31937, 632300), (63230, 319370), (63874, 316150), (126460, 159685), (127748, 158075)]