20971914

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{205607}}^1$

素因数の和:205629

約数の個数: 16

約数和(自身を含む): 44411328

約数和(自身を除く): 23439414

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 205607, 411214, 616821, 1233642, 3495319, 6990638, 10485957, 20971914]

約数ペア:

[(1, 20971914), (2, 10485957), (3, 6990638), (6, 3495319), (17, 1233642), (34, 616821), (51, 411214), (102, 205607)]