20409606

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3767}}^1$

素因数の和:3825

約数の個数: 48

約数和(自身を含む): 51727104

約数和(自身を除く): 31317498

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 63, 86, 126, 129, 258, 301, 387, 602, 774, 903, 1806, 2709, 3767, 5418, 7534, 11301, 22602, 26369, 33903, 52738, 67806, 79107, 158214, 161981, 237321, 323962, 474642, 485943, 971886, 1133867, 1457829, 2267734, 2915658, 3401601, 6803202, 10204803, 20409606]

約数ペア:

[(1, 20409606), (2, 10204803), (3, 6803202), (6, 3401601), (7, 2915658), (9, 2267734), (14, 1457829), (18, 1133867), (21, 971886), (42, 485943), (43, 474642), (63, 323962), (86, 237321), (126, 161981), (129, 158214), (258, 79107), (301, 67806), (387, 52738), (602, 33903), (774, 26369), (903, 22602), (1806, 11301), (2709, 7534), (3767, 5418)]