20003529

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1559}}^1$

素因数の和:1629

約数の個数: 32

約数和(自身を含む): 33546240

約数和(自身を除く): 13542711

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 987, 1559, 1833, 4277, 4677, 10913, 12831, 20267, 32739, 60801, 73273, 141869, 219819, 425607, 512911, 952549, 1538733, 2857647, 6667843, 20003529]

約数ペア:

[(1, 20003529), (3, 6667843), (7, 2857647), (13, 1538733), (21, 952549), (39, 512911), (47, 425607), (91, 219819), (141, 141869), (273, 73273), (329, 60801), (611, 32739), (987, 20267), (1559, 12831), (1833, 10913), (4277, 4677)]