20378288

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3433}}^1$

素因数の和:3501

約数の個数: 40

約数和(自身を含む): 45988128

約数和(自身を除く): 25609840

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 742, 848, 1484, 2968, 3433, 5936, 6866, 13732, 24031, 27464, 48062, 54928, 96124, 181949, 192248, 363898, 384496, 727796, 1273643, 1455592, 2547286, 2911184, 5094572, 10189144, 20378288]

約数ペア:

[(1, 20378288), (2, 10189144), (4, 5094572), (7, 2911184), (8, 2547286), (14, 1455592), (16, 1273643), (28, 727796), (53, 384496), (56, 363898), (106, 192248), (112, 181949), (212, 96124), (371, 54928), (424, 48062), (742, 27464), (848, 24031), (1484, 13732), (2968, 6866), (3433, 5936)]