20565543033

素因数分解:

$3^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{260941}}^1$

素因数の和:261099

約数の個数: 40

約数和(自身を含む): 35362859840

約数和(自身を除く): 14797316807

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 139, 189, 417, 567, 973, 1251, 2919, 3753, 8757, 11259, 26271, 78813, 260941, 782823, 1826587, 2348469, 5479761, 7045407, 16439283, 21136221, 36270799, 49317849, 108812397, 147953547, 253895593, 326437191, 761686779, 979311573, 2285060337, 2937934719, 6855181011, 20565543033]

約数ペア:

[(1, 20565543033), (3, 6855181011), (7, 2937934719), (9, 2285060337), (21, 979311573), (27, 761686779), (63, 326437191), (81, 253895593), (139, 147953547), (189, 108812397), (417, 49317849), (567, 36270799), (973, 21136221), (1251, 16439283), (2919, 7045407), (3753, 5479761), (8757, 2348469), (11259, 1826587), (26271, 782823), (78813, 260941)]