20453780158

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4297}}^1\times {\mathrm{7907}}^1$

素因数の和:12256

約数の個数: 32

約数和(自身を含む): 35891944704

約数和(自身を除く): 15438164546

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 4297, 7907, 8594, 15814, 30079, 55349, 60158, 110698, 184771, 340001, 369542, 680002, 1293397, 2380007, 2586794, 4760014, 33976379, 67952758, 237834653, 475669306, 1460984297, 2921968594, 10226890079, 20453780158]

約数ペア:

[(1, 20453780158), (2, 10226890079), (7, 2921968594), (14, 1460984297), (43, 475669306), (86, 237834653), (301, 67952758), (602, 33976379), (4297, 4760014), (7907, 2586794), (8594, 2380007), (15814, 1293397), (30079, 680002), (55349, 369542), (60158, 340001), (110698, 184771)]