20888469

素因数分解:

$3^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1399}}^1$

素因数の和:1494

約数の個数: 32

約数和(自身を含む): 35840000

約数和(自身を除く): 14951531

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 189, 237, 553, 711, 1399, 1659, 2133, 4197, 4977, 9793, 12591, 14931, 29379, 37773, 88137, 110521, 264411, 331563, 773647, 994689, 2320941, 2984067, 6962823, 20888469]

約数ペア:

[(1, 20888469), (3, 6962823), (7, 2984067), (9, 2320941), (21, 994689), (27, 773647), (63, 331563), (79, 264411), (189, 110521), (237, 88137), (553, 37773), (711, 29379), (1399, 14931), (1659, 12591), (2133, 9793), (4197, 4977)]