20474195

素因数分解:

$5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{8731}}^1$

素因数の和:8810

約数の個数: 16

約数和(自身を含む): 28501248

約数和(自身を除く): 8027053

約数列:

[1, 5, 7, 35, 67, 335, 469, 2345, 8731, 43655, 61117, 305585, 584977, 2924885, 4094839, 20474195]

約数ペア:

[(1, 20474195), (5, 4094839), (7, 2924885), (35, 584977), (67, 305585), (335, 61117), (469, 43655), (2345, 8731)]