20805512

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28579}}^1$

素因数の和:28605

約数の個数: 32

約数和(自身を含む): 48014400

約数和(自身を除く): 27208888

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 28579, 57158, 114316, 200053, 228632, 371527, 400106, 743054, 800212, 1486108, 1600424, 2600689, 2972216, 5201378, 10402756, 20805512]

約数ペア:

[(1, 20805512), (2, 10402756), (4, 5201378), (7, 2972216), (8, 2600689), (13, 1600424), (14, 1486108), (26, 800212), (28, 743054), (52, 400106), (56, 371527), (91, 228632), (104, 200053), (182, 114316), (364, 57158), (728, 28579)]