20925117

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 31056480

約数和(自身を除く): 10131363

約数列:

[1, 3, 9, 59, 157, 177, 251, 471, 531, 753, 1413, 2259, 9263, 14809, 27789, 39407, 44427, 83367, 118221, 133281, 354663, 2325013, 6975039, 20925117]

約数ペア:

[(1, 20925117), (3, 6975039), (9, 2325013), (59, 354663), (157, 133281), (177, 118221), (251, 83367), (471, 44427), (531, 39407), (753, 27789), (1413, 14809), (2259, 9263)]