20569659

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{661}}^1$

素因数の和:739

約数の個数: 32

約数和(自身を含む): 32030208

約数和(自身を除く): 11460549

約数列:

[1, 3, 11, 23, 33, 41, 69, 123, 253, 451, 661, 759, 943, 1353, 1983, 2829, 7271, 10373, 15203, 21813, 27101, 31119, 45609, 81303, 167233, 298111, 501699, 623323, 894333, 1869969, 6856553, 20569659]

約数ペア:

[(1, 20569659), (3, 6856553), (11, 1869969), (23, 894333), (33, 623323), (41, 501699), (69, 298111), (123, 167233), (253, 81303), (451, 45609), (661, 31119), (759, 27101), (943, 21813), (1353, 15203), (1983, 10373), (2829, 7271)]