20871572

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{1657}}^1$

素因数の和:1775

約数の個数: 24

約数和(自身を含む): 37881984

約数和(自身を除く): 17010412

約数列:

[1, 2, 4, 47, 67, 94, 134, 188, 268, 1657, 3149, 3314, 6298, 6628, 12596, 77879, 111019, 155758, 222038, 311516, 444076, 5217893, 10435786, 20871572]

約数ペア:

[(1, 20871572), (2, 10435786), (4, 5217893), (47, 444076), (67, 311516), (94, 222038), (134, 155758), (188, 111019), (268, 77879), (1657, 12596), (3149, 6628), (3314, 6298)]