20643249

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{6449}}^1$

素因数の和:6560

約数の個数: 16

約数和(自身を含む): 30340800

約数和(自身を除く): 9697551

約数列:

[1, 3, 11, 33, 97, 291, 1067, 3201, 6449, 19347, 70939, 212817, 625553, 1876659, 6881083, 20643249]

約数ペア:

[(1, 20643249), (3, 6881083), (11, 1876659), (33, 625553), (97, 212817), (291, 70939), (1067, 19347), (3201, 6449)]