20120457945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{415669}}^1$

素因数の和:416145

約数の個数: 32

約数和(自身を含む): 36871591680

約数和(自身を除く): 16751133735

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 461, 1383, 2305, 3227, 6915, 9681, 16135, 48405, 415669, 1247007, 2078345, 2909683, 6235035, 8729049, 14548415, 43645245, 191623409, 574870227, 958117045, 1341363863, 2874351135, 4024091589, 6706819315, 20120457945]

約数ペア:

[(1, 20120457945), (3, 6706819315), (5, 4024091589), (7, 2874351135), (15, 1341363863), (21, 958117045), (35, 574870227), (105, 191623409), (461, 43645245), (1383, 14548415), (2305, 8729049), (3227, 6235035), (6915, 2909683), (9681, 2078345), (16135, 1247007), (48405, 415669)]