20520858

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1373}}^1$

素因数の和:1478

約数の個数: 32

約数和(自身を含む): 42736896

約数和(自身を除く): 22216038

約数列:

[1, 2, 3, 6, 47, 53, 94, 106, 141, 159, 282, 318, 1373, 2491, 2746, 4119, 4982, 7473, 8238, 14946, 64531, 72769, 129062, 145538, 193593, 218307, 387186, 436614, 3420143, 6840286, 10260429, 20520858]

約数ペア:

[(1, 20520858), (2, 10260429), (3, 6840286), (6, 3420143), (47, 436614), (53, 387186), (94, 218307), (106, 193593), (141, 145538), (159, 129062), (282, 72769), (318, 64531), (1373, 14946), (2491, 8238), (2746, 7473), (4119, 4982)]