20543514

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 46033920

約数和(自身を除く): 25490406

約数列:

[1, 2, 3, 6, 17, 31, 34, 51, 62, 73, 89, 93, 102, 146, 178, 186, 219, 267, 438, 527, 534, 1054, 1241, 1513, 1581, 2263, 2482, 2759, 3026, 3162, 3723, 4526, 4539, 5518, 6497, 6789, 7446, 8277, 9078, 12994, 13578, 16554, 19491, 38471, 38982, 46903, 76942, 93806, 110449, 115413, 140709, 201407, 220898, 230826, 281418, 331347, 402814, 604221, 662694, 1208442, 3423919, 6847838, 10271757, 20543514]

約数ペア:

[(1, 20543514), (2, 10271757), (3, 6847838), (6, 3423919), (17, 1208442), (31, 662694), (34, 604221), (51, 402814), (62, 331347), (73, 281418), (89, 230826), (93, 220898), (102, 201407), (146, 140709), (178, 115413), (186, 110449), (219, 93806), (267, 76942), (438, 46903), (527, 38982), (534, 38471), (1054, 19491), (1241, 16554), (1513, 13578), (1581, 12994), (2263, 9078), (2482, 8277), (2759, 7446), (3026, 6789), (3162, 6497), (3723, 5518), (4526, 4539)]