20163457244

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1787}}^1\times {\mathrm{5101}}^1$

素因数の和:6978

約数の個数: 48

約数和(自身を含む): 40868244480

約数和(自身を除く): 20704787236

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 1787, 2212, 3574, 5101, 7148, 10202, 12509, 20404, 25018, 35707, 50036, 71414, 141173, 142828, 282346, 402979, 564692, 805958, 988211, 1611916, 1976422, 2820853, 3952844, 5641706, 9115487, 11283412, 18230974, 36461948, 63808409, 127616818, 255233636, 720123473, 1440246946, 2880493892, 5040864311, 10081728622, 20163457244]

約数ペア:

[(1, 20163457244), (2, 10081728622), (4, 5040864311), (7, 2880493892), (14, 1440246946), (28, 720123473), (79, 255233636), (158, 127616818), (316, 63808409), (553, 36461948), (1106, 18230974), (1787, 11283412), (2212, 9115487), (3574, 5641706), (5101, 3952844), (7148, 2820853), (10202, 1976422), (12509, 1611916), (20404, 988211), (25018, 805958), (35707, 564692), (50036, 402979), (71414, 282346), (141173, 142828)]