20365400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{9257}}^1$

素因数の和:9284

約数の個数: 48

約数和(自身を含む): 51659640

約数和(自身を除く): 31294240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 9257, 18514, 37028, 46285, 74056, 92570, 101827, 185140, 203654, 231425, 370280, 407308, 462850, 509135, 814616, 925700, 1018270, 1851400, 2036540, 2545675, 4073080, 5091350, 10182700, 20365400]

約数ペア:

[(1, 20365400), (2, 10182700), (4, 5091350), (5, 4073080), (8, 2545675), (10, 2036540), (11, 1851400), (20, 1018270), (22, 925700), (25, 814616), (40, 509135), (44, 462850), (50, 407308), (55, 370280), (88, 231425), (100, 203654), (110, 185140), (200, 101827), (220, 92570), (275, 74056), (440, 46285), (550, 37028), (1100, 18514), (2200, 9257)]