20278434

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:295

約数の個数: 64

約数和(自身を含む): 47324160

約数和(自身を除く): 27045726

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 103, 114, 157, 206, 209, 309, 314, 418, 471, 618, 627, 942, 1133, 1254, 1727, 1957, 2266, 2983, 3399, 3454, 3914, 5181, 5871, 5966, 6798, 8949, 10362, 11742, 16171, 17898, 21527, 32342, 32813, 43054, 48513, 64581, 65626, 97026, 98439, 129162, 177881, 196878, 307249, 355762, 533643, 614498, 921747, 1067286, 1843494, 3379739, 6759478, 10139217, 20278434]

約数ペア:

[(1, 20278434), (2, 10139217), (3, 6759478), (6, 3379739), (11, 1843494), (19, 1067286), (22, 921747), (33, 614498), (38, 533643), (57, 355762), (66, 307249), (103, 196878), (114, 177881), (157, 129162), (206, 98439), (209, 97026), (309, 65626), (314, 64581), (418, 48513), (471, 43054), (618, 32813), (627, 32342), (942, 21527), (1133, 17898), (1254, 16171), (1727, 11742), (1957, 10362), (2266, 8949), (2983, 6798), (3399, 5966), (3454, 5871), (3914, 5181)]