20007306

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2731}}^1$

素因数の和:2787

約数の個数: 48

約数和(自身を含む): 48585888

約数和(自身を除く): 28578582

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 37, 66, 74, 99, 111, 198, 222, 333, 407, 666, 814, 1221, 2442, 2731, 3663, 5462, 7326, 8193, 16386, 24579, 30041, 49158, 60082, 90123, 101047, 180246, 202094, 270369, 303141, 540738, 606282, 909423, 1111517, 1818846, 2223034, 3334551, 6669102, 10003653, 20007306]

約数ペア:

[(1, 20007306), (2, 10003653), (3, 6669102), (6, 3334551), (9, 2223034), (11, 1818846), (18, 1111517), (22, 909423), (33, 606282), (37, 540738), (66, 303141), (74, 270369), (99, 202094), (111, 180246), (198, 101047), (222, 90123), (333, 60082), (407, 49158), (666, 30041), (814, 24579), (1221, 16386), (2442, 8193), (2731, 7326), (3663, 5462)]