208022860

素因数分解:

$2^2\times 5^1\times {\mathrm{2153}}^1\times {\mathrm{4831}}^1$

素因数の和:6993

約数の個数: 24

約数和(自身を含む): 437141376

約数和(自身を除く): 229118516

約数列:

[1, 2, 4, 5, 10, 20, 2153, 4306, 4831, 8612, 9662, 10765, 19324, 21530, 24155, 43060, 48310, 96620, 10401143, 20802286, 41604572, 52005715, 104011430, 208022860]

約数ペア:

[(1, 208022860), (2, 104011430), (4, 52005715), (5, 41604572), (10, 20802286), (20, 10401143), (2153, 96620), (4306, 48310), (4831, 43060), (8612, 24155), (9662, 21530), (10765, 19324)]