20193063910

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{5191019}}^1$

素因数の和:5191415

約数の個数: 16

約数和(自身を含む): 36440960400

約数和(自身を除く): 16247896490

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 5191019, 10382038, 25955095, 51910190, 2019306391, 4038612782, 10096531955, 20193063910]

約数ペア:

[(1, 20193063910), (2, 10096531955), (5, 4038612782), (10, 2019306391), (389, 51910190), (778, 25955095), (1945, 10382038), (3890, 5191019)]