20010354

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{547}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 50082816

約数和(自身を除く): 30072462

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 67, 78, 91, 134, 182, 201, 273, 402, 469, 546, 547, 871, 938, 1094, 1407, 1641, 1742, 2613, 2814, 3282, 3829, 5226, 6097, 7111, 7658, 11487, 12194, 14222, 18291, 21333, 22974, 36582, 36649, 42666, 49777, 73298, 99554, 109947, 149331, 219894, 256543, 298662, 476437, 513086, 769629, 952874, 1429311, 1539258, 2858622, 3335059, 6670118, 10005177, 20010354]

約数ペア:

[(1, 20010354), (2, 10005177), (3, 6670118), (6, 3335059), (7, 2858622), (13, 1539258), (14, 1429311), (21, 952874), (26, 769629), (39, 513086), (42, 476437), (67, 298662), (78, 256543), (91, 219894), (134, 149331), (182, 109947), (201, 99554), (273, 73298), (402, 49777), (469, 42666), (546, 36649), (547, 36582), (871, 22974), (938, 21333), (1094, 18291), (1407, 14222), (1641, 12194), (1742, 11487), (2613, 7658), (2814, 7111), (3282, 6097), (3829, 5226)]