20674737

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1453}}^1$

素因数の和:1510

約数の個数: 32

約数和(自身を含む): 33500160

約数和(自身を除く): 12825423

約数列:

[1, 3, 9, 17, 27, 31, 51, 93, 153, 279, 459, 527, 837, 1453, 1581, 4359, 4743, 13077, 14229, 24701, 39231, 45043, 74103, 135129, 222309, 405387, 666927, 765731, 1216161, 2297193, 6891579, 20674737]

約数ペア:

[(1, 20674737), (3, 6891579), (9, 2297193), (17, 1216161), (27, 765731), (31, 666927), (51, 405387), (93, 222309), (153, 135129), (279, 74103), (459, 45043), (527, 39231), (837, 24701), (1453, 14229), (1581, 13077), (4359, 4743)]