1216442020

素因数分解:

$2^2\times 5^1\times {\mathrm{2731}}^1\times {\mathrm{22271}}^1$

素因数の和:25011

約数の個数: 24

約数和(自身を含む): 2555578368

約数和(自身を除く): 1339136348

約数列:

[1, 2, 4, 5, 10, 20, 2731, 5462, 10924, 13655, 22271, 27310, 44542, 54620, 89084, 111355, 222710, 445420, 60822101, 121644202, 243288404, 304110505, 608221010, 1216442020]

約数ペア:

[(1, 1216442020), (2, 608221010), (4, 304110505), (5, 243288404), (10, 121644202), (20, 60822101), (2731, 445420), (5462, 222710), (10924, 111355), (13655, 89084), (22271, 54620), (27310, 44542)]