20899250512

素因数分解:

$2^4\times 7^1\times {\mathrm{9689}}^1\times {\mathrm{19259}}^1$

素因数の和:28963

約数の個数: 40

約数和(自身を含む): 46284091200

約数和(自身を除く): 25384840688

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 9689, 19259, 19378, 38518, 38756, 67823, 77036, 77512, 134813, 135646, 154072, 155024, 269626, 271292, 308144, 539252, 542584, 1078504, 1085168, 2157008, 186600451, 373200902, 746401804, 1306203157, 1492803608, 2612406314, 2985607216, 5224812628, 10449625256, 20899250512]

約数ペア:

[(1, 20899250512), (2, 10449625256), (4, 5224812628), (7, 2985607216), (8, 2612406314), (14, 1492803608), (16, 1306203157), (28, 746401804), (56, 373200902), (112, 186600451), (9689, 2157008), (19259, 1085168), (19378, 1078504), (38518, 542584), (38756, 539252), (67823, 308144), (77036, 271292), (77512, 269626), (134813, 155024), (135646, 154072)]