20203876

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{9371}}^1$

素因数の和:9400

約数の個数: 36

約数和(自身を含む): 44873136

約数和(自身を除く): 24669260

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 9371, 18742, 37484, 65597, 103081, 131194, 206162, 262388, 412324, 459179, 721567, 918358, 1443134, 1836716, 2886268, 5050969, 10101938, 20203876]

約数ペア:

[(1, 20203876), (2, 10101938), (4, 5050969), (7, 2886268), (11, 1836716), (14, 1443134), (22, 918358), (28, 721567), (44, 459179), (49, 412324), (77, 262388), (98, 206162), (154, 131194), (196, 103081), (308, 65597), (539, 37484), (1078, 18742), (2156, 9371)]