20211642704

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{9923}}^1$

素因数の和:10176

約数の個数: 80

約数和(自身を含む): 43591924224

約数和(自身を除く): 23380281520

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 142, 163, 176, 284, 326, 568, 652, 781, 1136, 1304, 1562, 1793, 2608, 3124, 3586, 6248, 7172, 9923, 11573, 12496, 14344, 19846, 23146, 28688, 39692, 46292, 79384, 92584, 109153, 127303, 158768, 185168, 218306, 254606, 436612, 509212, 704533, 873224, 1018424, 1409066, 1617449, 1746448, 2036848, 2818132, 3234898, 5636264, 6469796, 7749863, 11272528, 12939592, 15499726, 17791939, 25879184, 30999452, 35583878, 61998904, 71167756, 114838879, 123997808, 142335512, 229677758, 284671024, 459355516, 918711032, 1263227669, 1837422064, 2526455338, 5052910676, 10105821352, 20211642704]

約数ペア:

[(1, 20211642704), (2, 10105821352), (4, 5052910676), (8, 2526455338), (11, 1837422064), (16, 1263227669), (22, 918711032), (44, 459355516), (71, 284671024), (88, 229677758), (142, 142335512), (163, 123997808), (176, 114838879), (284, 71167756), (326, 61998904), (568, 35583878), (652, 30999452), (781, 25879184), (1136, 17791939), (1304, 15499726), (1562, 12939592), (1793, 11272528), (2608, 7749863), (3124, 6469796), (3586, 5636264), (6248, 3234898), (7172, 2818132), (9923, 2036848), (11573, 1746448), (12496, 1617449), (14344, 1409066), (19846, 1018424), (23146, 873224), (28688, 704533), (39692, 509212), (46292, 436612), (79384, 254606), (92584, 218306), (109153, 185168), (127303, 158768)]