20172872745

素因数分解:

$3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1140677}}^1$

素因数の和:1140822

約数の個数: 32

約数和(自身を含む): 36136679040

約数和(自身を除く): 15963806295

約数列:

[1, 3, 5, 9, 15, 27, 45, 131, 135, 393, 655, 1179, 1965, 3537, 5895, 17685, 1140677, 3422031, 5703385, 10266093, 17110155, 30798279, 51330465, 149428687, 153991395, 448286061, 747143435, 1344858183, 2241430305, 4034574549, 6724290915, 20172872745]

約数ペア:

[(1, 20172872745), (3, 6724290915), (5, 4034574549), (9, 2241430305), (15, 1344858183), (27, 747143435), (45, 448286061), (131, 153991395), (135, 149428687), (393, 51330465), (655, 30798279), (1179, 17110155), (1965, 10266093), (3537, 5703385), (5895, 3422031), (17685, 1140677)]