20213447044

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1459}}^1\times {\mathrm{5101}}^1$

素因数の和:6668

約数の個数: 48

約数和(自身を含む): 40879672960

約数和(自身を除く): 20666225916

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 388, 679, 1358, 1459, 2716, 2918, 5101, 5836, 10202, 10213, 20404, 20426, 35707, 40852, 71414, 141523, 142828, 283046, 494797, 566092, 989594, 990661, 1979188, 1981322, 3463579, 3962644, 6927158, 7442359, 13854316, 14884718, 29769436, 52096513, 104193026, 208386052, 721908823, 1443817646, 2887635292, 5053361761, 10106723522, 20213447044]

約数ペア:

[(1, 20213447044), (2, 10106723522), (4, 5053361761), (7, 2887635292), (14, 1443817646), (28, 721908823), (97, 208386052), (194, 104193026), (388, 52096513), (679, 29769436), (1358, 14884718), (1459, 13854316), (2716, 7442359), (2918, 6927158), (5101, 3962644), (5836, 3463579), (10202, 1981322), (10213, 1979188), (20404, 990661), (20426, 989594), (35707, 566092), (40852, 494797), (71414, 283046), (141523, 142828)]