164802020

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{14431}}^1$

素因数の和:15011

約数の個数: 24

約数和(自身を含む): 346714368

約数和(自身を除く): 181912348

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2284, 2855, 5710, 11420, 14431, 28862, 57724, 72155, 144310, 288620, 8240101, 16480202, 32960404, 41200505, 82401010, 164802020]

約数ペア:

[(1, 164802020), (2, 82401010), (4, 41200505), (5, 32960404), (10, 16480202), (20, 8240101), (571, 288620), (1142, 144310), (2284, 72155), (2855, 57724), (5710, 28862), (11420, 14431)]