20091447

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:463

約数の個数: 24

約数和(自身を含む): 29824080

約数和(自身を除く): 9732633

約数列:

[1, 3, 9, 59, 157, 177, 241, 471, 531, 723, 1413, 2169, 9263, 14219, 27789, 37837, 42657, 83367, 113511, 127971, 340533, 2232383, 6697149, 20091447]

約数ペア:

[(1, 20091447), (3, 6697149), (9, 2232383), (59, 340533), (157, 127971), (177, 113511), (241, 83367), (471, 42657), (531, 37837), (723, 27789), (1413, 14219), (2169, 9263)]