20783708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{563}}^1\times {\mathrm{839}}^1$

素因数の和:1417

約数の個数: 24

約数和(自身を含む): 39795840

約数和(自身を除く): 19012132

約数列:

[1, 2, 4, 11, 22, 44, 563, 839, 1126, 1678, 2252, 3356, 6193, 9229, 12386, 18458, 24772, 36916, 472357, 944714, 1889428, 5195927, 10391854, 20783708]

約数ペア:

[(1, 20783708), (2, 10391854), (4, 5195927), (11, 1889428), (22, 944714), (44, 472357), (563, 36916), (839, 24772), (1126, 18458), (1678, 12386), (2252, 9229), (3356, 6193)]