20862190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{5779}}^1$

素因数の和:5824

約数の個数: 24

約数和(自身を含む): 39639240

約数和(自身を除く): 18777050

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 5779, 11558, 28895, 57790, 109801, 219602, 549005, 1098010, 2086219, 4172438, 10431095, 20862190]

約数ペア:

[(1, 20862190), (2, 10431095), (5, 4172438), (10, 2086219), (19, 1098010), (38, 549005), (95, 219602), (190, 109801), (361, 57790), (722, 28895), (1805, 11558), (3610, 5779)]