20155696

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{359}}^1$

素因数の和:418

約数の個数: 60

約数和(自身を含む): 44528400

約数和(自身を除く): 24372704

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 88, 116, 121, 176, 232, 242, 319, 359, 464, 484, 638, 718, 968, 1276, 1436, 1936, 2552, 2872, 3509, 3949, 5104, 5744, 7018, 7898, 10411, 14036, 15796, 20822, 28072, 31592, 41644, 43439, 56144, 63184, 83288, 86878, 114521, 166576, 173756, 229042, 347512, 458084, 695024, 916168, 1259731, 1832336, 2519462, 5038924, 10077848, 20155696]

約数ペア:

[(1, 20155696), (2, 10077848), (4, 5038924), (8, 2519462), (11, 1832336), (16, 1259731), (22, 916168), (29, 695024), (44, 458084), (58, 347512), (88, 229042), (116, 173756), (121, 166576), (176, 114521), (232, 86878), (242, 83288), (319, 63184), (359, 56144), (464, 43439), (484, 41644), (638, 31592), (718, 28072), (968, 20822), (1276, 15796), (1436, 14036), (1936, 10411), (2552, 7898), (2872, 7018), (3509, 5744), (3949, 5104)]