20197656868

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{103}}^1\times {\mathrm{135799}}^1$

素因数の和:135944

約数の個数: 36

約数和(自身を含む): 37666574400

約数和(自身を除く): 17468917532

約数列:

[1, 2, 4, 19, 38, 76, 103, 206, 361, 412, 722, 1444, 1957, 3914, 7828, 37183, 74366, 135799, 148732, 271598, 543196, 2580181, 5160362, 10320724, 13987297, 27974594, 49023439, 55949188, 98046878, 196093756, 265758643, 531517286, 1063034572, 5049414217, 10098828434, 20197656868]

約数ペア:

[(1, 20197656868), (2, 10098828434), (4, 5049414217), (19, 1063034572), (38, 531517286), (76, 265758643), (103, 196093756), (206, 98046878), (361, 55949188), (412, 49023439), (722, 27974594), (1444, 13987297), (1957, 10320724), (3914, 5160362), (7828, 2580181), (37183, 543196), (74366, 271598), (135799, 148732)]