20507250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{739}}^1$

素因数の和:796

約数の個数: 64

約数和(自身を含む): 52640640

約数和(自身を除く): 32133390

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 37, 50, 74, 75, 111, 125, 150, 185, 222, 250, 370, 375, 555, 739, 750, 925, 1110, 1478, 1850, 2217, 2775, 3695, 4434, 4625, 5550, 7390, 9250, 11085, 13875, 18475, 22170, 27343, 27750, 36950, 54686, 55425, 82029, 92375, 110850, 136715, 164058, 184750, 273430, 277125, 410145, 554250, 683575, 820290, 1367150, 2050725, 3417875, 4101450, 6835750, 10253625, 20507250]

約数ペア:

[(1, 20507250), (2, 10253625), (3, 6835750), (5, 4101450), (6, 3417875), (10, 2050725), (15, 1367150), (25, 820290), (30, 683575), (37, 554250), (50, 410145), (74, 277125), (75, 273430), (111, 184750), (125, 164058), (150, 136715), (185, 110850), (222, 92375), (250, 82029), (370, 55425), (375, 54686), (555, 36950), (739, 27750), (750, 27343), (925, 22170), (1110, 18475), (1478, 13875), (1850, 11085), (2217, 9250), (2775, 7390), (3695, 5550), (4434, 4625)]