20161392904

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{269}}^1\times {\mathrm{139831}}^1$

素因数の和:140173

約数の個数: 32

約数和(自身を含む): 38509732800

約数和(自身を除く): 18348339896

約数列:

[1, 2, 4, 8, 67, 134, 268, 269, 536, 538, 1076, 2152, 18023, 36046, 72092, 139831, 144184, 279662, 559324, 1118648, 9368677, 18737354, 37474708, 37614539, 74949416, 75229078, 150458156, 300916312, 2520174113, 5040348226, 10080696452, 20161392904]

約数ペア:

[(1, 20161392904), (2, 10080696452), (4, 5040348226), (8, 2520174113), (67, 300916312), (134, 150458156), (268, 75229078), (269, 74949416), (536, 37614539), (538, 37474708), (1076, 18737354), (2152, 9368677), (18023, 1118648), (36046, 559324), (72092, 279662), (139831, 144184)]