20165988

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{23669}}^1$

素因数の和:23747

約数の個数: 24

約数和(自身を含む): 47718720

約数和(自身を除く): 27552732

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 23669, 47338, 71007, 94676, 142014, 284028, 1680499, 3360998, 5041497, 6721996, 10082994, 20165988]

約数ペア:

[(1, 20165988), (2, 10082994), (3, 6721996), (4, 5041497), (6, 3360998), (12, 1680499), (71, 284028), (142, 142014), (213, 94676), (284, 71007), (426, 47338), (852, 23669)]