20341388488

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{952669}}^1$

素因数の和:952849

約数の個数: 32

約数和(自身を含む): 40640902200

約数和(自身を除く): 20299513712

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 157, 314, 628, 1256, 2669, 5338, 10676, 21352, 952669, 1905338, 3810676, 7621352, 16195373, 32390746, 64781492, 129562984, 149569033, 299138066, 598276132, 1196552264, 2542673561, 5085347122, 10170694244, 20341388488]

約数ペア:

[(1, 20341388488), (2, 10170694244), (4, 5085347122), (8, 2542673561), (17, 1196552264), (34, 598276132), (68, 299138066), (136, 149569033), (157, 129562984), (314, 64781492), (628, 32390746), (1256, 16195373), (2669, 7621352), (5338, 3810676), (10676, 1905338), (21352, 952669)]