20161604876

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{269}}^1\times {\mathrm{8893}}^1$

素因数の和:9223

約数の個数: 72

約数和(自身を含む): 42158627280

約数和(自身を除く): 21997022404

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 269, 301, 538, 602, 1076, 1204, 1883, 2107, 3766, 4214, 7532, 8428, 8893, 11567, 13181, 17786, 23134, 26362, 35572, 46268, 52724, 62251, 80969, 124502, 161938, 249004, 323876, 382399, 435757, 566783, 764798, 871514, 1133566, 1529596, 1743028, 2267132, 2392217, 2676793, 4784434, 5353586, 9568868, 10707172, 16745519, 18737551, 33491038, 37475102, 66982076, 74950204, 102865331, 117218633, 205730662, 234437266, 411461324, 468874532, 720057317, 1440114634, 2880229268, 5040401219, 10080802438, 20161604876]

約数ペア:

[(1, 20161604876), (2, 10080802438), (4, 5040401219), (7, 2880229268), (14, 1440114634), (28, 720057317), (43, 468874532), (49, 411461324), (86, 234437266), (98, 205730662), (172, 117218633), (196, 102865331), (269, 74950204), (301, 66982076), (538, 37475102), (602, 33491038), (1076, 18737551), (1204, 16745519), (1883, 10707172), (2107, 9568868), (3766, 5353586), (4214, 4784434), (7532, 2676793), (8428, 2392217), (8893, 2267132), (11567, 1743028), (13181, 1529596), (17786, 1133566), (23134, 871514), (26362, 764798), (35572, 566783), (46268, 435757), (52724, 382399), (62251, 323876), (80969, 249004), (124502, 161938)]