20267835

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^2$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 38497536

約数和(自身を除く): 18229701

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 67, 105, 129, 201, 215, 301, 335, 469, 645, 903, 1005, 1407, 1505, 2345, 2881, 4489, 4515, 7035, 8643, 13467, 14405, 20167, 22445, 31423, 43215, 60501, 67335, 94269, 100835, 157115, 193027, 302505, 471345, 579081, 965135, 1351189, 2895405, 4053567, 6755945, 20267835]

約数ペア:

[(1, 20267835), (3, 6755945), (5, 4053567), (7, 2895405), (15, 1351189), (21, 965135), (35, 579081), (43, 471345), (67, 302505), (105, 193027), (129, 157115), (201, 100835), (215, 94269), (301, 67335), (335, 60501), (469, 43215), (645, 31423), (903, 22445), (1005, 20167), (1407, 14405), (1505, 13467), (2345, 8643), (2881, 7035), (4489, 4515)]