20218962855

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{31583}}^1$

素因数の和:31685

約数の個数: 96

約数和(自身を含む): 41132980224

約数和(自身を除く): 20914017369

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 67, 91, 105, 147, 195, 201, 245, 273, 335, 455, 469, 637, 735, 871, 1005, 1365, 1407, 1911, 2345, 2613, 3185, 3283, 4355, 6097, 7035, 9555, 9849, 13065, 16415, 18291, 30485, 31583, 42679, 49245, 91455, 94749, 128037, 157915, 213395, 221081, 410579, 473745, 640185, 663243, 1105405, 1231737, 1547567, 2052895, 2116061, 2874053, 3316215, 4642701, 6158685, 6348183, 7737835, 8622159, 10580305, 14370265, 14812427, 20118371, 23213505, 27508793, 31740915, 43110795, 44437281, 60355113, 74062135, 82526379, 100591855, 103686989, 137543965, 192561551, 222186405, 301775565, 311060967, 412631895, 518434945, 577684653, 962807755, 1347930857, 1555304835, 2888423265, 4043792571, 6739654285, 20218962855]

約数ペア:

[(1, 20218962855), (3, 6739654285), (5, 4043792571), (7, 2888423265), (13, 1555304835), (15, 1347930857), (21, 962807755), (35, 577684653), (39, 518434945), (49, 412631895), (65, 311060967), (67, 301775565), (91, 222186405), (105, 192561551), (147, 137543965), (195, 103686989), (201, 100591855), (245, 82526379), (273, 74062135), (335, 60355113), (455, 44437281), (469, 43110795), (637, 31740915), (735, 27508793), (871, 23213505), (1005, 20118371), (1365, 14812427), (1407, 14370265), (1911, 10580305), (2345, 8622159), (2613, 7737835), (3185, 6348183), (3283, 6158685), (4355, 4642701), (6097, 3316215), (7035, 2874053), (9555, 2116061), (9849, 2052895), (13065, 1547567), (16415, 1231737), (18291, 1105405), (30485, 663243), (31583, 640185), (42679, 473745), (49245, 410579), (91455, 221081), (94749, 213395), (128037, 157915)]