20266890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{811}}^1$

素因数の和:852

約数の個数: 96

約数和(自身を含む): 59984064

約数和(自身を除く): 39717174

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 49, 51, 70, 85, 98, 102, 105, 119, 147, 170, 210, 238, 245, 255, 294, 357, 490, 510, 595, 714, 735, 811, 833, 1190, 1470, 1622, 1666, 1785, 2433, 2499, 3570, 4055, 4165, 4866, 4998, 5677, 8110, 8330, 11354, 12165, 12495, 13787, 17031, 24330, 24990, 27574, 28385, 34062, 39739, 41361, 56770, 68935, 79478, 82722, 85155, 96509, 119217, 137870, 170310, 193018, 198695, 206805, 238434, 289527, 397390, 413610, 482545, 579054, 596085, 675563, 965090, 1192170, 1351126, 1447635, 2026689, 2895270, 3377815, 4053378, 6755630, 10133445, 20266890]

約数ペア:

[(1, 20266890), (2, 10133445), (3, 6755630), (5, 4053378), (6, 3377815), (7, 2895270), (10, 2026689), (14, 1447635), (15, 1351126), (17, 1192170), (21, 965090), (30, 675563), (34, 596085), (35, 579054), (42, 482545), (49, 413610), (51, 397390), (70, 289527), (85, 238434), (98, 206805), (102, 198695), (105, 193018), (119, 170310), (147, 137870), (170, 119217), (210, 96509), (238, 85155), (245, 82722), (255, 79478), (294, 68935), (357, 56770), (490, 41361), (510, 39739), (595, 34062), (714, 28385), (735, 27574), (811, 24990), (833, 24330), (1190, 17031), (1470, 13787), (1622, 12495), (1666, 12165), (1785, 11354), (2433, 8330), (2499, 8110), (3570, 5677), (4055, 4998), (4165, 4866)]