20764500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:258

約数の個数: 96

約数和(自身を含む): 61501440

約数和(自身を除く): 40736940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 109, 125, 127, 150, 218, 250, 254, 300, 327, 375, 381, 436, 500, 508, 545, 635, 654, 750, 762, 1090, 1270, 1308, 1500, 1524, 1635, 1905, 2180, 2540, 2725, 3175, 3270, 3810, 5450, 6350, 6540, 7620, 8175, 9525, 10900, 12700, 13625, 13843, 15875, 16350, 19050, 27250, 27686, 31750, 32700, 38100, 40875, 41529, 47625, 54500, 55372, 63500, 69215, 81750, 83058, 95250, 138430, 163500, 166116, 190500, 207645, 276860, 346075, 415290, 692150, 830580, 1038225, 1384300, 1730375, 2076450, 3460750, 4152900, 5191125, 6921500, 10382250, 20764500]

約数ペア:

[(1, 20764500), (2, 10382250), (3, 6921500), (4, 5191125), (5, 4152900), (6, 3460750), (10, 2076450), (12, 1730375), (15, 1384300), (20, 1038225), (25, 830580), (30, 692150), (50, 415290), (60, 346075), (75, 276860), (100, 207645), (109, 190500), (125, 166116), (127, 163500), (150, 138430), (218, 95250), (250, 83058), (254, 81750), (300, 69215), (327, 63500), (375, 55372), (381, 54500), (436, 47625), (500, 41529), (508, 40875), (545, 38100), (635, 32700), (654, 31750), (750, 27686), (762, 27250), (1090, 19050), (1270, 16350), (1308, 15875), (1500, 13843), (1524, 13625), (1635, 12700), (1905, 10900), (2180, 9525), (2540, 8175), (2725, 7620), (3175, 6540), (3270, 6350), (3810, 5450)]