20750931

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{853}}^1$

素因数の和:932

約数の個数: 32

約数和(自身を含む): 33203520

約数和(自身を除く): 12452589

約数列:

[1, 3, 9, 17, 27, 51, 53, 153, 159, 459, 477, 853, 901, 1431, 2559, 2703, 7677, 8109, 14501, 23031, 24327, 43503, 45209, 130509, 135627, 391527, 406881, 768553, 1220643, 2305659, 6916977, 20750931]

約数ペア:

[(1, 20750931), (3, 6916977), (9, 2305659), (17, 1220643), (27, 768553), (51, 406881), (53, 391527), (153, 135627), (159, 130509), (459, 45209), (477, 43503), (853, 24327), (901, 23031), (1431, 14501), (2559, 8109), (2703, 7677)]