20503206

素因数分解:

$2^1\times 3^4\times {\mathrm{67}}^1\times {\mathrm{1889}}^1$

素因数の和:1970

約数の個数: 40

約数和(自身を含む): 46652760

約数和(自身を除く): 26149554

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 67, 81, 134, 162, 201, 402, 603, 1206, 1809, 1889, 3618, 3778, 5427, 5667, 10854, 11334, 17001, 34002, 51003, 102006, 126563, 153009, 253126, 306018, 379689, 759378, 1139067, 2278134, 3417201, 6834402, 10251603, 20503206]

約数ペア:

[(1, 20503206), (2, 10251603), (3, 6834402), (6, 3417201), (9, 2278134), (18, 1139067), (27, 759378), (54, 379689), (67, 306018), (81, 253126), (134, 153009), (162, 126563), (201, 102006), (402, 51003), (603, 34002), (1206, 17001), (1809, 11334), (1889, 10854), (3618, 5667), (3778, 5427)]