20070145

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{877}}^1$

素因数の和:1104

約数の個数: 16

約数和(自身を含む): 25286400

約数和(自身を除く): 5216255

約数列:

[1, 5, 23, 115, 199, 877, 995, 4385, 4577, 20171, 22885, 100855, 174523, 872615, 4014029, 20070145]

約数ペア:

[(1, 20070145), (5, 4014029), (23, 872615), (115, 174523), (199, 100855), (877, 22885), (995, 20171), (4385, 4577)]