203202980

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{19961}}^1$

素因数の和:20479

約数の個数: 24

約数和(自身を含む): 427586040

約数和(自身を除く): 224383060

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 5090, 10180, 19961, 39922, 79844, 99805, 199610, 399220, 10160149, 20320298, 40640596, 50800745, 101601490, 203202980]

約数ペア:

[(1, 203202980), (2, 101601490), (4, 50800745), (5, 40640596), (10, 20320298), (20, 10160149), (509, 399220), (1018, 199610), (2036, 99805), (2545, 79844), (5090, 39922), (10180, 19961)]