20678596

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{7417}}^1$

素因数の和:7479

約数の個数: 24

約数和(自身を含む): 39256056

約数和(自身を除く): 18577460

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 164, 697, 1394, 2788, 7417, 14834, 29668, 126089, 252178, 304097, 504356, 608194, 1216388, 5169649, 10339298, 20678596]

約数ペア:

[(1, 20678596), (2, 10339298), (4, 5169649), (17, 1216388), (34, 608194), (41, 504356), (68, 304097), (82, 252178), (164, 126089), (697, 29668), (1394, 14834), (2788, 7417)]