20193453

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{8663}}^1$

素因数の和:8713

約数の個数: 24

約数和(自身を含む): 34240128

約数和(自身を除く): 14046675

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 8663, 25989, 60641, 77967, 181923, 320531, 545769, 961593, 2243717, 2884779, 6731151, 20193453]

約数ペア:

[(1, 20193453), (3, 6731151), (7, 2884779), (9, 2243717), (21, 961593), (37, 545769), (63, 320531), (111, 181923), (259, 77967), (333, 60641), (777, 25989), (2331, 8663)]