20447230

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4679}}^1$

素因数の和:4728

約数の個数: 32

約数和(自身を含む): 40435200

約数和(自身を除く): 19987970

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 4679, 9358, 23395, 46790, 88901, 107617, 177802, 215234, 444505, 538085, 889010, 1076170, 2044723, 4089446, 10223615, 20447230]

約数ペア:

[(1, 20447230), (2, 10223615), (5, 4089446), (10, 2044723), (19, 1076170), (23, 889010), (38, 538085), (46, 444505), (95, 215234), (115, 177802), (190, 107617), (230, 88901), (437, 46790), (874, 23395), (2185, 9358), (4370, 4679)]