20951982

素因数分解:

$2^1\times 3^2\times {\mathrm{1031}}^1\times {\mathrm{1129}}^1$

素因数の和:2168

約数の個数: 24

約数和(自身を含む): 45480240

約数和(自身を除く): 24528258

約数列:

[1, 2, 3, 6, 9, 18, 1031, 1129, 2062, 2258, 3093, 3387, 6186, 6774, 9279, 10161, 18558, 20322, 1163999, 2327998, 3491997, 6983994, 10475991, 20951982]

約数ペア:

[(1, 20951982), (2, 10475991), (3, 6983994), (6, 3491997), (9, 2327998), (18, 1163999), (1031, 20322), (1129, 18558), (2062, 10161), (2258, 9279), (3093, 6774), (3387, 6186)]