20136977

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:488

約数の個数: 16

約数和(自身を含む): 23571072

約数和(自身を除く): 3434095

約数列:

[1, 7, 73, 157, 251, 511, 1099, 1757, 11461, 18323, 39407, 80227, 128261, 275849, 2876711, 20136977]

約数ペア:

[(1, 20136977), (7, 2876711), (73, 275849), (157, 128261), (251, 80227), (511, 39407), (1099, 18323), (1757, 11461)]