20735181

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{211}}^1$

素因数の和:457

約数の個数: 24

約数和(自身を含む): 30756960

約数和(自身を除く): 10021779

約数列:

[1, 3, 9, 61, 179, 183, 211, 537, 549, 633, 1611, 1899, 10919, 12871, 32757, 37769, 38613, 98271, 113307, 115839, 339921, 2303909, 6911727, 20735181]

約数ペア:

[(1, 20735181), (3, 6911727), (9, 2303909), (61, 339921), (179, 115839), (183, 113307), (211, 98271), (537, 38613), (549, 37769), (633, 32757), (1611, 12871), (1899, 10919)]