20081321897

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{2179}}^1\times {\mathrm{101273}}^1$

素因数の和:103472

約数の個数: 16

約数和(自身を含む): 24727059840

約数和(自身を除く): 4645737943

約数列:

[1, 7, 13, 91, 2179, 15253, 28327, 101273, 198289, 708911, 1316549, 9215843, 220673867, 1544717069, 2868760271, 20081321897]

約数ペア:

[(1, 20081321897), (7, 2868760271), (13, 1544717069), (91, 220673867), (2179, 9215843), (15253, 1316549), (28327, 708911), (101273, 198289)]