20961786

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{151897}}^1$

素因数の和:151925

約数の個数: 16

約数和(自身を含む): 43746624

約数和(自身を除く): 22784838

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 151897, 303794, 455691, 911382, 3493631, 6987262, 10480893, 20961786]

約数ペア:

[(1, 20961786), (2, 10480893), (3, 6987262), (6, 3493631), (23, 911382), (46, 455691), (69, 303794), (138, 151897)]