20464812

素因数分解:

$2^2\times 3^4\times {\mathrm{83}}^1\times {\mathrm{761}}^1$

素因数の和:860

約数の個数: 60

約数和(自身を含む): 54214776

約数和(自身を除く): 33749964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 83, 108, 162, 166, 249, 324, 332, 498, 747, 761, 996, 1494, 1522, 2241, 2283, 2988, 3044, 4482, 4566, 6723, 6849, 8964, 9132, 13446, 13698, 20547, 26892, 27396, 41094, 61641, 63163, 82188, 123282, 126326, 189489, 246564, 252652, 378978, 568467, 757956, 1136934, 1705401, 2273868, 3410802, 5116203, 6821604, 10232406, 20464812]

約数ペア:

[(1, 20464812), (2, 10232406), (3, 6821604), (4, 5116203), (6, 3410802), (9, 2273868), (12, 1705401), (18, 1136934), (27, 757956), (36, 568467), (54, 378978), (81, 252652), (83, 246564), (108, 189489), (162, 126326), (166, 123282), (249, 82188), (324, 63163), (332, 61641), (498, 41094), (747, 27396), (761, 26892), (996, 20547), (1494, 13698), (1522, 13446), (2241, 9132), (2283, 8964), (2988, 6849), (3044, 6723), (4482, 4566)]