20953341

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1867}}^1$

素因数の和:1945

約数の個数: 24

約数和(自身を含む): 32054880

約数和(自身を除く): 11101539

約数列:

[1, 3, 9, 29, 43, 87, 129, 261, 387, 1247, 1867, 3741, 5601, 11223, 16803, 54143, 80281, 162429, 240843, 487287, 722529, 2328149, 6984447, 20953341]

約数ペア:

[(1, 20953341), (3, 6984447), (9, 2328149), (29, 722529), (43, 487287), (87, 240843), (129, 162429), (261, 80281), (387, 54143), (1247, 16803), (1867, 11223), (3741, 5601)]