20900671

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{577}}^1$

素因数の和:714

約数の個数: 16

約数和(自身を含む): 23721120

約数和(自身を除く): 2820449

約数列:

[1, 11, 37, 89, 407, 577, 979, 3293, 6347, 21349, 36223, 51353, 234839, 564883, 1900061, 20900671]

約数ペア:

[(1, 20900671), (11, 1900061), (37, 564883), (89, 234839), (407, 51353), (577, 36223), (979, 21349), (3293, 6347)]