20921886724

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{359}}^1\times {\mathrm{199583}}^1$

素因数の和:200019

約数の個数: 24

約数和(自身を含む): 37218424320

約数和(自身を除く): 16296537596

約数列:

[1, 2, 4, 73, 146, 292, 359, 718, 1436, 26207, 52414, 104828, 199583, 399166, 798332, 14569559, 29139118, 58278236, 71650297, 143300594, 286601188, 5230471681, 10460943362, 20921886724]

約数ペア:

[(1, 20921886724), (2, 10460943362), (4, 5230471681), (73, 286601188), (146, 143300594), (292, 71650297), (359, 58278236), (718, 29139118), (1436, 14569559), (26207, 798332), (52414, 399166), (104828, 199583)]