20854924

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{673}}^1$

素因数の和:865

約数の個数: 24

約数和(自身を含む): 37442048

約数和(自身を除く): 16587124

約数列:

[1, 2, 4, 61, 122, 127, 244, 254, 508, 673, 1346, 2692, 7747, 15494, 30988, 41053, 82106, 85471, 164212, 170942, 341884, 5213731, 10427462, 20854924]

約数ペア:

[(1, 20854924), (2, 10427462), (4, 5213731), (61, 341884), (122, 170942), (127, 164212), (244, 85471), (254, 82106), (508, 41053), (673, 30988), (1346, 15494), (2692, 7747)]