20751213

素因数分解:

$3^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{4241}}^1$

素因数の和:4484

約数の個数: 16

約数和(自身を含む): 31764096

約数和(自身を除く): 11012883

約数列:

[1, 3, 7, 21, 233, 699, 1631, 4241, 4893, 12723, 29687, 89061, 988153, 2964459, 6917071, 20751213]

約数ペア:

[(1, 20751213), (3, 6917071), (7, 2964459), (21, 988153), (233, 89061), (699, 29687), (1631, 12723), (4241, 4893)]