20849718

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2879}}^1$

素因数の和:2972

約数の個数: 32

約数和(自身を含む): 44789760

約数和(自身を除く): 23940042

約数列:

[1, 2, 3, 6, 17, 34, 51, 71, 102, 142, 213, 426, 1207, 2414, 2879, 3621, 5758, 7242, 8637, 17274, 48943, 97886, 146829, 204409, 293658, 408818, 613227, 1226454, 3474953, 6949906, 10424859, 20849718]

約数ペア:

[(1, 20849718), (2, 10424859), (3, 6949906), (6, 3474953), (17, 1226454), (34, 613227), (51, 408818), (71, 293658), (102, 204409), (142, 146829), (213, 97886), (426, 48943), (1207, 17274), (2414, 8637), (2879, 7242), (3621, 5758)]