20029401

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{577}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 36067200

約数和(自身を除く): 16037799

約数列:

[1, 3, 7, 9, 19, 21, 29, 57, 63, 87, 133, 171, 203, 261, 399, 551, 577, 609, 1197, 1653, 1731, 1827, 3857, 4039, 4959, 5193, 10963, 11571, 12117, 16733, 32889, 34713, 36351, 50199, 76741, 98667, 117131, 150597, 230223, 317927, 351393, 690669, 953781, 1054179, 2225489, 2861343, 6676467, 20029401]

約数ペア:

[(1, 20029401), (3, 6676467), (7, 2861343), (9, 2225489), (19, 1054179), (21, 953781), (29, 690669), (57, 351393), (63, 317927), (87, 230223), (133, 150597), (171, 117131), (203, 98667), (261, 76741), (399, 50199), (551, 36351), (577, 34713), (609, 32889), (1197, 16733), (1653, 12117), (1731, 11571), (1827, 10963), (3857, 5193), (4039, 4959)]