20686165583

素因数分解:

${\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{211777}}^1$

素因数の和:211946

約数の個数: 16

約数和(自身を含む): 22414583520

約数和(自身を除く): 1728417937

約数列:

[1, 19, 53, 97, 1007, 1843, 5141, 97679, 211777, 4023763, 11224181, 20542369, 213259439, 390305011, 1088745557, 20686165583]

約数ペア:

[(1, 20686165583), (19, 1088745557), (53, 390305011), (97, 213259439), (1007, 20542369), (1843, 11224181), (5141, 4023763), (97679, 211777)]