20753481

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{953}}^1$

素因数の和:1041

約数の個数: 32

約数和(自身を含む): 34069248

約数和(自身を除く): 13315767

約数列:

[1, 3, 7, 17, 21, 51, 61, 119, 183, 357, 427, 953, 1037, 1281, 2859, 3111, 6671, 7259, 16201, 20013, 21777, 48603, 58133, 113407, 174399, 340221, 406931, 988261, 1220793, 2964783, 6917827, 20753481]

約数ペア:

[(1, 20753481), (3, 6917827), (7, 2964783), (17, 1220793), (21, 988261), (51, 406931), (61, 340221), (119, 174399), (183, 113407), (357, 58133), (427, 48603), (953, 21777), (1037, 20013), (1281, 16201), (2859, 7259), (3111, 6671)]