201867208990

素因数分解:

$2^1\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{19771519}}^1$

素因数の和:19772547

約数の個数: 16

約数和(自身を含む): 363716881920

約数和(自身を除く): 161849672930

約数列:

[1, 2, 5, 10, 1021, 2042, 5105, 10210, 19771519, 39543038, 98857595, 197715190, 20186720899, 40373441798, 100933604495, 201867208990]

約数ペア:

[(1, 201867208990), (2, 100933604495), (5, 40373441798), (10, 20186720899), (1021, 197715190), (2042, 98857595), (5105, 39543038), (10210, 19771519)]