20697039

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:147

約数の個数: 56

約数和(自身を含む): 35413200

約数和(自身を除く): 14716161

約数列:

[1, 3, 9, 11, 27, 29, 33, 81, 87, 89, 99, 243, 261, 267, 297, 319, 729, 783, 801, 891, 957, 979, 2349, 2403, 2581, 2673, 2871, 2937, 7047, 7209, 7743, 8019, 8613, 8811, 21141, 21627, 23229, 25839, 26433, 28391, 64881, 69687, 77517, 79299, 85173, 209061, 232551, 237897, 255519, 627183, 713691, 766557, 1881549, 2299671, 6899013, 20697039]

約数ペア:

[(1, 20697039), (3, 6899013), (9, 2299671), (11, 1881549), (27, 766557), (29, 713691), (33, 627183), (81, 255519), (87, 237897), (89, 232551), (99, 209061), (243, 85173), (261, 79299), (267, 77517), (297, 69687), (319, 64881), (729, 28391), (783, 26433), (801, 25839), (891, 23229), (957, 21627), (979, 21141), (2349, 8811), (2403, 8613), (2581, 8019), (2673, 7743), (2871, 7209), (2937, 7047)]