20701478

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{86981}}^1$

素因数の和:87007

約数の個数: 16

約数和(自身を含む): 37576224

約数和(自身を除く): 16874746

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 86981, 173962, 608867, 1217734, 1478677, 2957354, 10350739, 20701478]

約数ペア:

[(1, 20701478), (2, 10350739), (7, 2957354), (14, 1478677), (17, 1217734), (34, 608867), (119, 173962), (238, 86981)]