20215701

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{3461}}^1$

素因数の和:3537

約数の個数: 24

約数和(自身を含む): 32404320

約数和(自身を除く): 12188619

約数列:

[1, 3, 9, 11, 33, 59, 99, 177, 531, 649, 1947, 3461, 5841, 10383, 31149, 38071, 114213, 204199, 342639, 612597, 1837791, 2246189, 6738567, 20215701]

約数ペア:

[(1, 20215701), (3, 6738567), (9, 2246189), (11, 1837791), (33, 612597), (59, 342639), (99, 204199), (177, 114213), (531, 38071), (649, 31149), (1947, 10383), (3461, 5841)]