20194587

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16871}}^1$

素因数の和:16903

約数の個数: 24

約数和(自身を含む): 35093760

約数和(自身を除く): 14899173

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 16871, 50613, 118097, 151839, 320549, 354291, 961647, 1062873, 2243843, 2884941, 6731529, 20194587]

約数ペア:

[(1, 20194587), (3, 6731529), (7, 2884941), (9, 2243843), (19, 1062873), (21, 961647), (57, 354291), (63, 320549), (133, 151839), (171, 118097), (399, 50613), (1197, 16871)]