20193043251

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1\times {\mathrm{318809}}^1$

素因数の和:319346

約数の個数: 16

約数和(自身を含む): 27606395520

約数和(自身を除く): 7413352269

約数列:

[1, 3, 43, 129, 491, 1473, 21113, 63339, 318809, 956427, 13708787, 41126361, 156535219, 469605657, 6731014417, 20193043251]

約数ペア:

[(1, 20193043251), (3, 6731014417), (43, 469605657), (129, 156535219), (491, 41126361), (1473, 13708787), (21113, 956427), (63339, 318809)]