20567313

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7643}}^1$

素因数の和:7685

約数の個数: 24

約数和(自身を含む): 33388992

約数和(自身を除く): 12821679

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 7643, 22929, 68787, 99359, 175789, 298077, 527367, 894231, 1582101, 2285257, 6855771, 20567313]

約数ペア:

[(1, 20567313), (3, 6855771), (9, 2285257), (13, 1582101), (23, 894231), (39, 527367), (69, 298077), (117, 175789), (207, 99359), (299, 68787), (897, 22929), (2691, 7643)]