20942229

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{90659}}^1$

素因数の和:90680

約数の個数: 16

約数和(自身を含む): 34813440

約数和(自身を除く): 13871211

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 90659, 271977, 634613, 997249, 1903839, 2991747, 6980743, 20942229]

約数ペア:

[(1, 20942229), (3, 6980743), (7, 2991747), (11, 1903839), (21, 997249), (33, 634613), (77, 271977), (231, 90659)]