20008992

素因数分解:

$2^5\times 3^1\times {\mathrm{257}}^1\times {\mathrm{811}}^1$

素因数の和:1081

約数の個数: 48

約数和(自身を含む): 52792992

約数和(自身を除く): 32784000

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 257, 514, 771, 811, 1028, 1542, 1622, 2056, 2433, 3084, 3244, 4112, 4866, 6168, 6488, 8224, 9732, 12336, 12976, 19464, 24672, 25952, 38928, 77856, 208427, 416854, 625281, 833708, 1250562, 1667416, 2501124, 3334832, 5002248, 6669664, 10004496, 20008992]

約数ペア:

[(1, 20008992), (2, 10004496), (3, 6669664), (4, 5002248), (6, 3334832), (8, 2501124), (12, 1667416), (16, 1250562), (24, 833708), (32, 625281), (48, 416854), (96, 208427), (257, 77856), (514, 38928), (771, 25952), (811, 24672), (1028, 19464), (1542, 12976), (1622, 12336), (2056, 9732), (2433, 8224), (3084, 6488), (3244, 6168), (4112, 4866)]