20693828

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{1867}}^1$

素因数の和:2051

約数の個数: 24

約数和(自身を含む): 38600352

約数和(自身を除く): 17906524

約数列:

[1, 2, 4, 17, 34, 68, 163, 326, 652, 1867, 2771, 3734, 5542, 7468, 11084, 31739, 63478, 126956, 304321, 608642, 1217284, 5173457, 10346914, 20693828]

約数ペア:

[(1, 20693828), (2, 10346914), (4, 5173457), (17, 1217284), (34, 608642), (68, 304321), (163, 126956), (326, 63478), (652, 31739), (1867, 11084), (2771, 7468), (3734, 5542)]