20959730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{190543}}^1$

素因数の和:190561

約数の個数: 16

約数和(自身を含む): 41157504

約数和(自身を除く): 20197774

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 190543, 381086, 952715, 1905430, 2095973, 4191946, 10479865, 20959730]

約数ペア:

[(1, 20959730), (2, 10479865), (5, 4191946), (10, 2095973), (11, 1905430), (22, 952715), (55, 381086), (110, 190543)]