20193490947

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{50610253}}^1$

素因数の和:50610282

約数の個数: 16

約数和(自身を含む): 32390562560

約数和(自身を除く): 12197071613

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 50610253, 151830759, 354271771, 961594807, 1062815313, 2884784421, 6731163649, 20193490947]

約数ペア:

[(1, 20193490947), (3, 6731163649), (7, 2884784421), (19, 1062815313), (21, 961594807), (57, 354271771), (133, 151830759), (399, 50610253)]