20159451

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3251}}^1$

素因数の和:3323

約数の個数: 24

約数和(自身を含む): 31960656

約数和(自身を除く): 11801205

約数列:

[1, 3, 9, 13, 39, 53, 117, 159, 477, 689, 2067, 3251, 6201, 9753, 29259, 42263, 126789, 172303, 380367, 516909, 1550727, 2239939, 6719817, 20159451]

約数ペア:

[(1, 20159451), (3, 6719817), (9, 2239939), (13, 1550727), (39, 516909), (53, 380367), (117, 172303), (159, 126789), (477, 42263), (689, 29259), (2067, 9753), (3251, 6201)]