20103188

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{283}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 41986560

約数和(自身を除く): 21883372

約数列:

[1, 2, 4, 7, 14, 28, 43, 59, 86, 118, 172, 236, 283, 301, 413, 566, 602, 826, 1132, 1204, 1652, 1981, 2537, 3962, 5074, 7924, 10148, 12169, 16697, 17759, 24338, 33394, 35518, 48676, 66788, 71036, 85183, 116879, 170366, 233758, 340732, 467516, 717971, 1435942, 2871884, 5025797, 10051594, 20103188]

約数ペア:

[(1, 20103188), (2, 10051594), (4, 5025797), (7, 2871884), (14, 1435942), (28, 717971), (43, 467516), (59, 340732), (86, 233758), (118, 170366), (172, 116879), (236, 85183), (283, 71036), (301, 66788), (413, 48676), (566, 35518), (602, 33394), (826, 24338), (1132, 17759), (1204, 16697), (1652, 12169), (1981, 10148), (2537, 7924), (3962, 5074)]