20447268

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{89681}}^1$

素因数の和:89707

約数の個数: 24

約数和(自身を含む): 50221920

約数和(自身を除く): 29774652

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 89681, 179362, 269043, 358724, 538086, 1076172, 1703939, 3407878, 5111817, 6815756, 10223634, 20447268]

約数ペア:

[(1, 20447268), (2, 10223634), (3, 6815756), (4, 5111817), (6, 3407878), (12, 1703939), (19, 1076172), (38, 538086), (57, 358724), (76, 269043), (114, 179362), (228, 89681)]