20297456

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{74623}}^1$

素因数の和:74648

約数の個数: 20

約数和(自身を含む): 41640192

約数和(自身を除く): 21342736

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 74623, 149246, 298492, 596984, 1193968, 1268591, 2537182, 5074364, 10148728, 20297456]

約数ペア:

[(1, 20297456), (2, 10148728), (4, 5074364), (8, 2537182), (16, 1268591), (17, 1193968), (34, 596984), (68, 298492), (136, 149246), (272, 74623)]