20115148

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{15569}}^1$

素因数の和:15609

約数の個数: 24

約数和(自身を含む): 39236400

約数和(自身を除く): 19121252

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 15569, 31138, 62276, 264673, 295811, 529346, 591622, 1058692, 1183244, 5028787, 10057574, 20115148]

約数ペア:

[(1, 20115148), (2, 10057574), (4, 5028787), (17, 1183244), (19, 1058692), (34, 591622), (38, 529346), (68, 295811), (76, 264673), (323, 62276), (646, 31138), (1292, 15569)]