20624191

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{283}}^1\times {\mathrm{359}}^1$

素因数の和:678

約数の個数: 16

約数和(自身を含む): 24537600

約数和(自身を除く): 3913409

約数列:

[1, 7, 29, 203, 283, 359, 1981, 2513, 8207, 10411, 57449, 72877, 101597, 711179, 2946313, 20624191]

約数ペア:

[(1, 20624191), (7, 2946313), (29, 711179), (203, 101597), (283, 72877), (359, 57449), (1981, 10411), (2513, 8207)]