20969368

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{9133}}^1$

素因数の和:9187

約数の個数: 32

約数和(自身を含む): 46035360

約数和(自身を除く): 25065992

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 9133, 18266, 36532, 63931, 73064, 127862, 255724, 374453, 511448, 748906, 1497812, 2621171, 2995624, 5242342, 10484684, 20969368]

約数ペア:

[(1, 20969368), (2, 10484684), (4, 5242342), (7, 2995624), (8, 2621171), (14, 1497812), (28, 748906), (41, 511448), (56, 374453), (82, 255724), (164, 127862), (287, 73064), (328, 63931), (574, 36532), (1148, 18266), (2296, 9133)]