20694496

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{337}}^1$

素因数の和:467

約数の個数: 48

約数和(自身を含む): 43439760

約数和(自身を除く): 22745264

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 101, 152, 202, 304, 337, 404, 608, 674, 808, 1348, 1616, 1919, 2696, 3232, 3838, 5392, 6403, 7676, 10784, 12806, 15352, 25612, 30704, 34037, 51224, 61408, 68074, 102448, 136148, 204896, 272296, 544592, 646703, 1089184, 1293406, 2586812, 5173624, 10347248, 20694496]

約数ペア:

[(1, 20694496), (2, 10347248), (4, 5173624), (8, 2586812), (16, 1293406), (19, 1089184), (32, 646703), (38, 544592), (76, 272296), (101, 204896), (152, 136148), (202, 102448), (304, 68074), (337, 61408), (404, 51224), (608, 34037), (674, 30704), (808, 25612), (1348, 15352), (1616, 12806), (1919, 10784), (2696, 7676), (3232, 6403), (3838, 5392)]