1796200220

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{109391}}^1$

素因数の和:110221

約数の個数: 24

約数和(自身を含む): 3776649408

約数和(自身を除く): 1980449188

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 4105, 8210, 16420, 109391, 218782, 437564, 546955, 1093910, 2187820, 89810011, 179620022, 359240044, 449050055, 898100110, 1796200220]

約数ペア:

[(1, 1796200220), (2, 898100110), (4, 449050055), (5, 359240044), (10, 179620022), (20, 89810011), (821, 2187820), (1642, 1093910), (3284, 546955), (4105, 437564), (8210, 218782), (16420, 109391)]