20174857017

素因数分解:

$3^1\times 7^1\times {\mathrm{7603}}^1\times {\mathrm{126359}}^1$

素因数の和:133972

約数の個数: 16

約数和(自身を含む): 30746926080

約数和(自身を除く): 10572069063

約数列:

[1, 3, 7, 21, 7603, 22809, 53221, 126359, 159663, 379077, 884513, 2653539, 960707477, 2882122431, 6724952339, 20174857017]

約数ペア:

[(1, 20174857017), (3, 6724952339), (7, 2882122431), (21, 960707477), (7603, 2653539), (22809, 884513), (53221, 379077), (126359, 159663)]