20896308

素因数分解:

$2^2\times 3^2\times {\mathrm{563}}^1\times {\mathrm{1031}}^1$

素因数の和:1604

約数の個数: 36

約数和(自身を含む): 52966368

約数和(自身を除く): 32070060

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 563, 1031, 1126, 1689, 2062, 2252, 3093, 3378, 4124, 5067, 6186, 6756, 9279, 10134, 12372, 18558, 20268, 37116, 580453, 1160906, 1741359, 2321812, 3482718, 5224077, 6965436, 10448154, 20896308]

約数ペア:

[(1, 20896308), (2, 10448154), (3, 6965436), (4, 5224077), (6, 3482718), (9, 2321812), (12, 1741359), (18, 1160906), (36, 580453), (563, 37116), (1031, 20268), (1126, 18558), (1689, 12372), (2062, 10134), (2252, 9279), (3093, 6756), (3378, 6186), (4124, 5067)]