20163320

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{9511}}^1$

素因数の和:9575

約数の個数: 32

約数和(自身を含む): 46228320

約数和(自身を除く): 26065000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 9511, 19022, 38044, 47555, 76088, 95110, 190220, 380440, 504083, 1008166, 2016332, 2520415, 4032664, 5040830, 10081660, 20163320]

約数ペア:

[(1, 20163320), (2, 10081660), (4, 5040830), (5, 4032664), (8, 2520415), (10, 2016332), (20, 1008166), (40, 504083), (53, 380440), (106, 190220), (212, 95110), (265, 76088), (424, 47555), (530, 38044), (1060, 19022), (2120, 9511)]