20963478

素因数分解:

$2^1\times 3^1\times {\mathrm{401}}^1\times {\mathrm{8713}}^1$

素因数の和:9119

約数の個数: 16

約数和(自身を含む): 42036336

約数和(自身を除く): 21072858

約数列:

[1, 2, 3, 6, 401, 802, 1203, 2406, 8713, 17426, 26139, 52278, 3493913, 6987826, 10481739, 20963478]

約数ペア:

[(1, 20963478), (2, 10481739), (3, 6987826), (6, 3493913), (401, 52278), (802, 26139), (1203, 17426), (2406, 8713)]