21980060

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{13241}}^1$

素因数の和:13333

約数の個数: 24

約数和(自身を含む): 46717776

約数和(自身を除く): 24737716

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 13241, 26482, 52964, 66205, 132410, 264820, 1099003, 2198006, 4396012, 5495015, 10990030, 21980060]

約数ペア:

[(1, 21980060), (2, 10990030), (4, 5495015), (5, 4396012), (10, 2198006), (20, 1099003), (83, 264820), (166, 132410), (332, 66205), (415, 52964), (830, 26482), (1660, 13241)]