20761902

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3109}}^1$

素因数の和:3177

約数の個数: 48

約数和(自身を含む): 52397280

約数和(自身を除く): 31635378

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 53, 63, 106, 126, 159, 318, 371, 477, 742, 954, 1113, 2226, 3109, 3339, 6218, 6678, 9327, 18654, 21763, 27981, 43526, 55962, 65289, 130578, 164777, 195867, 329554, 391734, 494331, 988662, 1153439, 1482993, 2306878, 2965986, 3460317, 6920634, 10380951, 20761902]

約数ペア:

[(1, 20761902), (2, 10380951), (3, 6920634), (6, 3460317), (7, 2965986), (9, 2306878), (14, 1482993), (18, 1153439), (21, 988662), (42, 494331), (53, 391734), (63, 329554), (106, 195867), (126, 164777), (159, 130578), (318, 65289), (371, 55962), (477, 43526), (742, 27981), (954, 21763), (1113, 18654), (2226, 9327), (3109, 6678), (3339, 6218)]