20152171655

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1\times {\mathrm{1879}}^1$

素因数の和:2304

約数の個数: 64

約数和(自身を含む): 30602188800

約数和(自身を除く): 10450017145

約数列:

[1, 5, 7, 11, 35, 55, 77, 89, 313, 385, 445, 623, 979, 1565, 1879, 2191, 3115, 3443, 4895, 6853, 9395, 10955, 13153, 17215, 20669, 24101, 27857, 34265, 65765, 103345, 120505, 139285, 144683, 167231, 194999, 306427, 588127, 723415, 836155, 974995, 1170617, 1532135, 1839541, 2144989, 2940635, 4116889, 5853085, 6469397, 9197705, 10724945, 12876787, 20584445, 32346985, 45285779, 52343303, 64383935, 226428895, 261716515, 366403121, 575776333, 1832015605, 2878881665, 4030434331, 20152171655]

約数ペア:

[(1, 20152171655), (5, 4030434331), (7, 2878881665), (11, 1832015605), (35, 575776333), (55, 366403121), (77, 261716515), (89, 226428895), (313, 64383935), (385, 52343303), (445, 45285779), (623, 32346985), (979, 20584445), (1565, 12876787), (1879, 10724945), (2191, 9197705), (3115, 6469397), (3443, 5853085), (4895, 4116889), (6853, 2940635), (9395, 2144989), (10955, 1839541), (13153, 1532135), (17215, 1170617), (20669, 974995), (24101, 836155), (27857, 723415), (34265, 588127), (65765, 306427), (103345, 194999), (120505, 167231), (139285, 144683)]