20670200

素因数分解:

$2^3\times 5^2\times {\mathrm{181}}^1\times {\mathrm{571}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 48408360

約数和(自身を除く): 27738160

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 181, 200, 362, 571, 724, 905, 1142, 1448, 1810, 2284, 2855, 3620, 4525, 4568, 5710, 7240, 9050, 11420, 14275, 18100, 22840, 28550, 36200, 57100, 103351, 114200, 206702, 413404, 516755, 826808, 1033510, 2067020, 2583775, 4134040, 5167550, 10335100, 20670200]

約数ペア:

[(1, 20670200), (2, 10335100), (4, 5167550), (5, 4134040), (8, 2583775), (10, 2067020), (20, 1033510), (25, 826808), (40, 516755), (50, 413404), (100, 206702), (181, 114200), (200, 103351), (362, 57100), (571, 36200), (724, 28550), (905, 22840), (1142, 18100), (1448, 14275), (1810, 11420), (2284, 9050), (2855, 7240), (3620, 5710), (4525, 4568)]