20742382011

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{149021}}^1$

素因数の和:149163

約数の個数: 32

約数和(自身を含む): 30843977472

約数和(自身を除く): 10101595461

約数列:

[1, 3, 13, 39, 43, 83, 129, 249, 559, 1079, 1677, 3237, 3569, 10707, 46397, 139191, 149021, 447063, 1937273, 5811819, 6407903, 12368743, 19223709, 37106229, 83302739, 160793659, 249908217, 482380977, 531855949, 1595567847, 6914127337, 20742382011]

約数ペア:

[(1, 20742382011), (3, 6914127337), (13, 1595567847), (39, 531855949), (43, 482380977), (83, 249908217), (129, 160793659), (249, 83302739), (559, 37106229), (1079, 19223709), (1677, 12368743), (3237, 6407903), (3569, 5811819), (10707, 1937273), (46397, 447063), (139191, 149021)]