20465529

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{9649}}^1$

素因数の和:9760

約数の個数: 16

約数和(自身を含む): 31497600

約数和(自身を除く): 11032071

約数列:

[1, 3, 7, 21, 101, 303, 707, 2121, 9649, 28947, 67543, 202629, 974549, 2923647, 6821843, 20465529]

約数ペア:

[(1, 20465529), (3, 6821843), (7, 2923647), (21, 974549), (101, 202629), (303, 67543), (707, 28947), (2121, 9649)]