20886129

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1867}}^1$

素因数の和:1997

約数の個数: 24

約数和(自身を含む): 33220512

約数和(自身を除く): 12334383

約数列:

[1, 3, 9, 11, 33, 99, 113, 339, 1017, 1243, 1867, 3729, 5601, 11187, 16803, 20537, 61611, 184833, 210971, 632913, 1898739, 2320681, 6962043, 20886129]

約数ペア:

[(1, 20886129), (3, 6962043), (9, 2320681), (11, 1898739), (33, 632913), (99, 210971), (113, 184833), (339, 61611), (1017, 20537), (1243, 16803), (1867, 11187), (3729, 5601)]