20208045321

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{96661}}^1$

素因数の和:96791

約数の個数: 40

約数和(自身を含む): 31579475400

約数和(自身を除く): 11371430079

約数列:

[1, 3, 9, 27, 29, 81, 87, 89, 261, 267, 783, 801, 2349, 2403, 2581, 7209, 7743, 23229, 69687, 96661, 209061, 289983, 869949, 2609847, 2803169, 7829541, 8409507, 8602829, 25228521, 25808487, 75685563, 77425461, 227056689, 232276383, 249482041, 696829149, 748446123, 2245338369, 6736015107, 20208045321]

約数ペア:

[(1, 20208045321), (3, 6736015107), (9, 2245338369), (27, 748446123), (29, 696829149), (81, 249482041), (87, 232276383), (89, 227056689), (261, 77425461), (267, 75685563), (783, 25808487), (801, 25228521), (2349, 8602829), (2403, 8409507), (2581, 7829541), (7209, 2803169), (7743, 2609847), (23229, 869949), (69687, 289983), (96661, 209061)]