20637960190

素因数分解:

$2^1\times 5^1\times {\mathrm{8719}}^1\times {\mathrm{236701}}^1$

素因数の和:245427

約数の個数: 16

約数和(自身を含む): 37152745920

約数和(自身を除く): 16514785730

約数列:

[1, 2, 5, 10, 8719, 17438, 43595, 87190, 236701, 473402, 1183505, 2367010, 2063796019, 4127592038, 10318980095, 20637960190]

約数ペア:

[(1, 20637960190), (2, 10318980095), (5, 4127592038), (10, 2063796019), (8719, 2367010), (17438, 1183505), (43595, 473402), (87190, 236701)]