20995797

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{373}}^1\times {\mathrm{647}}^1$

素因数の和:1052

約数の個数: 16

約数和(自身を含む): 29082240

約数和(自身を除く): 8086443

約数列:

[1, 3, 29, 87, 373, 647, 1119, 1941, 10817, 18763, 32451, 56289, 241331, 723993, 6998599, 20995797]

約数ペア:

[(1, 20995797), (3, 6998599), (29, 723993), (87, 241331), (373, 56289), (647, 32451), (1119, 18763), (1941, 10817)]