20181696

素因数分解:

$2^6\times 3^1\times {\mathrm{257}}^1\times {\mathrm{409}}^1$

素因数の和:681

約数の個数: 56

約数和(自身を含む): 53736240

約数和(自身を除く): 33554544

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 257, 409, 514, 771, 818, 1028, 1227, 1542, 1636, 2056, 2454, 3084, 3272, 4112, 4908, 6168, 6544, 8224, 9816, 12336, 13088, 16448, 19632, 24672, 26176, 39264, 49344, 78528, 105113, 210226, 315339, 420452, 630678, 840904, 1261356, 1681808, 2522712, 3363616, 5045424, 6727232, 10090848, 20181696]

約数ペア:

[(1, 20181696), (2, 10090848), (3, 6727232), (4, 5045424), (6, 3363616), (8, 2522712), (12, 1681808), (16, 1261356), (24, 840904), (32, 630678), (48, 420452), (64, 315339), (96, 210226), (192, 105113), (257, 78528), (409, 49344), (514, 39264), (771, 26176), (818, 24672), (1028, 19632), (1227, 16448), (1542, 13088), (1636, 12336), (2056, 9816), (2454, 8224), (3084, 6544), (3272, 6168), (4112, 4908)]