20781948

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{503}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 53174016

約数和(自身を除く): 32392068

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 313, 503, 626, 939, 1006, 1252, 1509, 1878, 2012, 3018, 3443, 3756, 5533, 6036, 6886, 10329, 11066, 13772, 16599, 20658, 22132, 33198, 41316, 66396, 157439, 314878, 472317, 629756, 944634, 1731829, 1889268, 3463658, 5195487, 6927316, 10390974, 20781948]

約数ペア:

[(1, 20781948), (2, 10390974), (3, 6927316), (4, 5195487), (6, 3463658), (11, 1889268), (12, 1731829), (22, 944634), (33, 629756), (44, 472317), (66, 314878), (132, 157439), (313, 66396), (503, 41316), (626, 33198), (939, 22132), (1006, 20658), (1252, 16599), (1509, 13772), (1878, 11066), (2012, 10329), (3018, 6886), (3443, 6036), (3756, 5533)]