20814313

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1$

素因数の和:556

約数の個数: 16

約数和(自身を含む): 23290960

約数和(自身を除く): 2476647

約数列:

[1, 13, 37, 109, 397, 481, 1417, 4033, 5161, 14689, 43273, 52429, 190957, 562549, 1601101, 20814313]

約数ペア:

[(1, 20814313), (13, 1601101), (37, 562549), (109, 190957), (397, 52429), (481, 43273), (1417, 14689), (4033, 5161)]