20870254

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{19801}}^1$

素因数の和:19851

約数の個数: 16

約数和(自身を含む): 34217856

約数和(自身を除く): 13347602

約数列:

[1, 2, 17, 31, 34, 62, 527, 1054, 19801, 39602, 336617, 613831, 673234, 1227662, 10435127, 20870254]

約数ペア:

[(1, 20870254), (2, 10435127), (17, 1227662), (31, 673234), (34, 613831), (62, 336617), (527, 39602), (1054, 19801)]