20160653408

素因数分解:

$2^5\times 7^1\times {\mathrm{139}}^1\times {\mathrm{647503}}^1$

素因数の和:647659

約数の個数: 48

約数和(自身を含む): 45687882240

約数和(自身を除く): 25527228832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 139, 224, 278, 556, 973, 1112, 1946, 2224, 3892, 4448, 7784, 15568, 31136, 647503, 1295006, 2590012, 4532521, 5180024, 9065042, 10360048, 18130084, 20720096, 36260168, 72520336, 90002917, 145040672, 180005834, 360011668, 630020419, 720023336, 1260040838, 1440046672, 2520081676, 2880093344, 5040163352, 10080326704, 20160653408]

約数ペア:

[(1, 20160653408), (2, 10080326704), (4, 5040163352), (7, 2880093344), (8, 2520081676), (14, 1440046672), (16, 1260040838), (28, 720023336), (32, 630020419), (56, 360011668), (112, 180005834), (139, 145040672), (224, 90002917), (278, 72520336), (556, 36260168), (973, 20720096), (1112, 18130084), (1946, 10360048), (2224, 9065042), (3892, 5180024), (4448, 4532521), (7784, 2590012), (15568, 1295006), (31136, 647503)]