20976712

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{33191}}^1$

素因数の和:33276

約数の個数: 16

約数和(自身を含む): 39830400

約数和(自身を除く): 18853688

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 33191, 66382, 132764, 265528, 2622089, 5244178, 10488356, 20976712]

約数ペア:

[(1, 20976712), (2, 10488356), (4, 5244178), (8, 2622089), (79, 265528), (158, 132764), (316, 66382), (632, 33191)]