20219211095

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{211}}^1\times {\mathrm{53089}}^1$

素因数の和:53343

約数の個数: 24

約数和(自身を含む): 25729112880

約数和(自身を除く): 5509901785

約数列:

[1, 5, 19, 95, 211, 361, 1055, 1805, 4009, 20045, 53089, 76171, 265445, 380855, 1008691, 5043455, 11201779, 19165129, 56008895, 95825645, 212833801, 1064169005, 4043842219, 20219211095]

約数ペア:

[(1, 20219211095), (5, 4043842219), (19, 1064169005), (95, 212833801), (211, 95825645), (361, 56008895), (1055, 19165129), (1805, 11201779), (4009, 5043455), (20045, 1008691), (53089, 380855), (76171, 265445)]