20367050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1949}}^1$

素因数の和:1991

約数の個数: 48

約数和(自身を含む): 43524000

約数和(自身を除く): 23156950

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 190, 209, 275, 418, 475, 550, 950, 1045, 1949, 2090, 3898, 5225, 9745, 10450, 19490, 21439, 37031, 42878, 48725, 74062, 97450, 107195, 185155, 214390, 370310, 407341, 535975, 814682, 925775, 1071950, 1851550, 2036705, 4073410, 10183525, 20367050]

約数ペア:

[(1, 20367050), (2, 10183525), (5, 4073410), (10, 2036705), (11, 1851550), (19, 1071950), (22, 925775), (25, 814682), (38, 535975), (50, 407341), (55, 370310), (95, 214390), (110, 185155), (190, 107195), (209, 97450), (275, 74062), (418, 48725), (475, 42878), (550, 37031), (950, 21439), (1045, 19490), (1949, 10450), (2090, 9745), (3898, 5225)]