20805216395

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{20269}}^1\times {\mathrm{7079}}^1$

素因数の和:27382

約数の個数: 16

約数和(自身を含む): 25832088000

約数和(自身を除く): 5026871605

約数列:

[1, 5, 29, 145, 7079, 20269, 35395, 101345, 205291, 587801, 1026455, 2939005, 143484251, 717421255, 4161043279, 20805216395]

約数ペア:

[(1, 20805216395), (5, 4161043279), (29, 717421255), (145, 143484251), (7079, 2939005), (20269, 1026455), (35395, 587801), (101345, 205291)]