20830134

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{683}}^1$

素因数の和:741

約数の個数: 64

約数和(自身を含む): 49641984

約数和(自身を除く): 28811850

約数列:

[1, 2, 3, 6, 13, 17, 23, 26, 34, 39, 46, 51, 69, 78, 102, 138, 221, 299, 391, 442, 598, 663, 683, 782, 897, 1173, 1326, 1366, 1794, 2049, 2346, 4098, 5083, 8879, 10166, 11611, 15249, 15709, 17758, 23222, 26637, 30498, 31418, 34833, 47127, 53274, 69666, 94254, 150943, 204217, 267053, 301886, 408434, 452829, 534106, 612651, 801159, 905658, 1225302, 1602318, 3471689, 6943378, 10415067, 20830134]

約数ペア:

[(1, 20830134), (2, 10415067), (3, 6943378), (6, 3471689), (13, 1602318), (17, 1225302), (23, 905658), (26, 801159), (34, 612651), (39, 534106), (46, 452829), (51, 408434), (69, 301886), (78, 267053), (102, 204217), (138, 150943), (221, 94254), (299, 69666), (391, 53274), (442, 47127), (598, 34833), (663, 31418), (683, 30498), (782, 26637), (897, 23222), (1173, 17758), (1326, 15709), (1366, 15249), (1794, 11611), (2049, 10166), (2346, 8879), (4098, 5083)]