20193950979

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{42335327}}^1$

素因数の和:42335386

約数の個数: 12

約数和(自身を含む): 29719400256

約数和(自身を除く): 9525449277

約数列:

[1, 3, 9, 53, 159, 477, 42335327, 127005981, 381017943, 2243772331, 6731316993, 20193950979]

約数ペア:

[(1, 20193950979), (3, 6731316993), (9, 2243772331), (53, 381017943), (159, 127005981), (477, 42335327)]