20847050

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 72

約数和(自身を含む): 46139904

約数和(自身を除く): 25292854

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 67, 70, 98, 127, 134, 175, 245, 254, 335, 350, 469, 490, 635, 670, 889, 938, 1225, 1270, 1675, 1778, 2345, 2450, 3175, 3283, 3350, 4445, 4690, 6223, 6350, 6566, 8509, 8890, 11725, 12446, 16415, 17018, 22225, 23450, 31115, 32830, 42545, 44450, 59563, 62230, 82075, 85090, 119126, 155575, 164150, 212725, 297815, 311150, 416941, 425450, 595630, 833882, 1489075, 2084705, 2978150, 4169410, 10423525, 20847050]

約数ペア:

[(1, 20847050), (2, 10423525), (5, 4169410), (7, 2978150), (10, 2084705), (14, 1489075), (25, 833882), (35, 595630), (49, 425450), (50, 416941), (67, 311150), (70, 297815), (98, 212725), (127, 164150), (134, 155575), (175, 119126), (245, 85090), (254, 82075), (335, 62230), (350, 59563), (469, 44450), (490, 42545), (635, 32830), (670, 31115), (889, 23450), (938, 22225), (1225, 17018), (1270, 16415), (1675, 12446), (1778, 11725), (2345, 8890), (2450, 8509), (3175, 6566), (3283, 6350), (3350, 6223), (4445, 4690)]