20678631

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{887}}^1$

素因数の和:1318

約数の個数: 16

約数和(自身を含む): 29126400

約数和(自身を除く): 8447769

約数列:

[1, 3, 19, 57, 409, 887, 1227, 2661, 7771, 16853, 23313, 50559, 362783, 1088349, 6892877, 20678631]

約数ペア:

[(1, 20678631), (3, 6892877), (19, 1088349), (57, 362783), (409, 50559), (887, 23313), (1227, 16853), (2661, 7771)]