20165708584

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{76471}}^1$

素因数の和:76778

約数の個数: 64

約数和(自身を含む): 45919906560

約数和(自身を除く): 25754197976

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 277, 476, 554, 952, 1108, 1939, 2216, 3878, 4709, 7756, 9418, 15512, 18836, 32963, 37672, 65926, 76471, 131852, 152942, 263704, 305884, 535297, 611768, 1070594, 1300007, 2141188, 2600014, 4282376, 5200028, 9100049, 10400056, 18200098, 21182467, 36400196, 42364934, 72800392, 84729868, 148277269, 169459736, 296554538, 360101939, 593109076, 720203878, 1186218152, 1440407756, 2520713573, 2880815512, 5041427146, 10082854292, 20165708584]

約数ペア:

[(1, 20165708584), (2, 10082854292), (4, 5041427146), (7, 2880815512), (8, 2520713573), (14, 1440407756), (17, 1186218152), (28, 720203878), (34, 593109076), (56, 360101939), (68, 296554538), (119, 169459736), (136, 148277269), (238, 84729868), (277, 72800392), (476, 42364934), (554, 36400196), (952, 21182467), (1108, 18200098), (1939, 10400056), (2216, 9100049), (3878, 5200028), (4709, 4282376), (7756, 2600014), (9418, 2141188), (15512, 1300007), (18836, 1070594), (32963, 611768), (37672, 535297), (65926, 305884), (76471, 263704), (131852, 152942)]