20942408

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4751}}^1$

素因数の和:4805

約数の個数: 32

約数和(自身を含む): 42768000

約数和(自身を除く): 21825592

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 116, 152, 232, 551, 1102, 2204, 4408, 4751, 9502, 19004, 38008, 90269, 137779, 180538, 275558, 361076, 551116, 722152, 1102232, 2617801, 5235602, 10471204, 20942408]

約数ペア:

[(1, 20942408), (2, 10471204), (4, 5235602), (8, 2617801), (19, 1102232), (29, 722152), (38, 551116), (58, 361076), (76, 275558), (116, 180538), (152, 137779), (232, 90269), (551, 38008), (1102, 19004), (2204, 9502), (4408, 4751)]