20188988

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{269}}^1\times {\mathrm{647}}^1$

素因数の和:949

約数の個数: 24

約数和(自身を含む): 36741600

約数和(自身を除く): 16552612

約数列:

[1, 2, 4, 29, 58, 116, 269, 538, 647, 1076, 1294, 2588, 7801, 15602, 18763, 31204, 37526, 75052, 174043, 348086, 696172, 5047247, 10094494, 20188988]

約数ペア:

[(1, 20188988), (2, 10094494), (4, 5047247), (29, 696172), (58, 348086), (116, 174043), (269, 75052), (538, 37526), (647, 31204), (1076, 18763), (1294, 15602), (2588, 7801)]