20187172011

素因数分解:

$3^1\times {\mathrm{211}}^1\times {\mathrm{661}}^1\times {\mathrm{48247}}^1$

素因数の和:49122

約数の個数: 16

約数和(自身を含む): 27085269248

約数和(自身を除く): 6898097237

約数列:

[1, 3, 211, 633, 661, 1983, 48247, 139471, 144741, 418413, 10180117, 30540351, 31891267, 95673801, 6729057337, 20187172011]

約数ペア:

[(1, 20187172011), (3, 6729057337), (211, 95673801), (633, 31891267), (661, 30540351), (1983, 10180117), (48247, 418413), (139471, 144741)]