20148667

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 27131904

約数和(自身を除く): 6983237

約数列:

[1, 7, 11, 23, 31, 77, 161, 217, 253, 341, 367, 713, 1771, 2387, 2569, 4037, 4991, 7843, 8441, 11377, 28259, 54901, 59087, 79639, 92851, 125147, 261671, 649957, 876029, 1831697, 2878381, 20148667]

約数ペア:

[(1, 20148667), (7, 2878381), (11, 1831697), (23, 876029), (31, 649957), (77, 261671), (161, 125147), (217, 92851), (253, 79639), (341, 59087), (367, 54901), (713, 28259), (1771, 11377), (2387, 8441), (2569, 7843), (4037, 4991)]