20515838

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{86201}}^1$

素因数の和:86227

約数の個数: 16

約数和(自身を含む): 37239264

約数和(自身を除く): 16723426

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 86201, 172402, 603407, 1206814, 1465417, 2930834, 10257919, 20515838]

約数ペア:

[(1, 20515838), (2, 10257919), (7, 2930834), (14, 1465417), (17, 1206814), (34, 603407), (119, 172402), (238, 86201)]