20164065772

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{20551}}^1$

素因数の和:20926

約数の個数: 48

約数和(自身を含む): 38283936768

約数和(自身を除く): 18119870996

約数列:

[1, 2, 4, 17, 34, 47, 68, 94, 188, 307, 614, 799, 1228, 1598, 3196, 5219, 10438, 14429, 20551, 20876, 28858, 41102, 57716, 82204, 245293, 349367, 490586, 698734, 965897, 981172, 1397468, 1931794, 3863588, 6309157, 12618314, 16420249, 25236628, 32840498, 65680996, 107255669, 214511338, 296530379, 429022676, 593060758, 1186121516, 5041016443, 10082032886, 20164065772]

約数ペア:

[(1, 20164065772), (2, 10082032886), (4, 5041016443), (17, 1186121516), (34, 593060758), (47, 429022676), (68, 296530379), (94, 214511338), (188, 107255669), (307, 65680996), (614, 32840498), (799, 25236628), (1228, 16420249), (1598, 12618314), (3196, 6309157), (5219, 3863588), (10438, 1931794), (14429, 1397468), (20551, 981172), (20876, 965897), (28858, 698734), (41102, 490586), (57716, 349367), (82204, 245293)]