20122971

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{4451}}^1$

素因数の和:4602

約数の個数: 16

約数和(自身を含む): 29490048

約数和(自身を除く): 9367077

約数列:

[1, 3, 11, 33, 137, 411, 1507, 4451, 4521, 13353, 48961, 146883, 609787, 1829361, 6707657, 20122971]

約数ペア:

[(1, 20122971), (3, 6707657), (11, 1829361), (33, 609787), (137, 146883), (411, 48961), (1507, 13353), (4451, 4521)]