9920548

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:328

約数の個数: 36

約数和(自身を含む): 19364800

約数和(自身を除く): 9444252

約数列:

[1, 2, 4, 11, 22, 44, 103, 121, 199, 206, 242, 398, 412, 484, 796, 1133, 2189, 2266, 4378, 4532, 8756, 12463, 20497, 24079, 24926, 40994, 48158, 49852, 81988, 96316, 225467, 450934, 901868, 2480137, 4960274, 9920548]

約数ペア:

[(1, 9920548), (2, 4960274), (4, 2480137), (11, 901868), (22, 450934), (44, 225467), (103, 96316), (121, 81988), (199, 49852), (206, 48158), (242, 40994), (398, 24926), (412, 24079), (484, 20497), (796, 12463), (1133, 8756), (2189, 4532), (2266, 4378)]