20596268

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 47056464

約数和(自身を除く): 26460196

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 49, 77, 82, 98, 154, 164, 196, 233, 287, 308, 451, 466, 539, 574, 902, 932, 1078, 1148, 1631, 1804, 2009, 2156, 2563, 3157, 3262, 4018, 5126, 6314, 6524, 8036, 9553, 10252, 11417, 12628, 17941, 19106, 22099, 22834, 35882, 38212, 44198, 45668, 66871, 71764, 88396, 105083, 125587, 133742, 210166, 251174, 267484, 420332, 468097, 502348, 735581, 936194, 1471162, 1872388, 2942324, 5149067, 10298134, 20596268]

約数ペア:

[(1, 20596268), (2, 10298134), (4, 5149067), (7, 2942324), (11, 1872388), (14, 1471162), (22, 936194), (28, 735581), (41, 502348), (44, 468097), (49, 420332), (77, 267484), (82, 251174), (98, 210166), (154, 133742), (164, 125587), (196, 105083), (233, 88396), (287, 71764), (308, 66871), (451, 45668), (466, 44198), (539, 38212), (574, 35882), (902, 22834), (932, 22099), (1078, 19106), (1148, 17941), (1631, 12628), (1804, 11417), (2009, 10252), (2156, 9553), (2563, 8036), (3157, 6524), (3262, 6314), (4018, 5126)]