669042020

素因数分解:

$2^2\times 5^1\times {\mathrm{853}}^1\times {\mathrm{39217}}^1$

素因数の和:40079

約数の個数: 24

約数和(自身を含む): 1406671224

約数和(自身を除く): 737629204

約数列:

[1, 2, 4, 5, 10, 20, 853, 1706, 3412, 4265, 8530, 17060, 39217, 78434, 156868, 196085, 392170, 784340, 33452101, 66904202, 133808404, 167260505, 334521010, 669042020]

約数ペア:

[(1, 669042020), (2, 334521010), (4, 167260505), (5, 133808404), (10, 66904202), (20, 33452101), (853, 784340), (1706, 392170), (3412, 196085), (4265, 156868), (8530, 78434), (17060, 39217)]