20696396

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{38903}}^1$

素因数の和:38933

約数の個数: 24

約数和(自身を含む): 43572480

約数和(自身を除く): 22876084

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 38903, 77806, 155612, 272321, 544642, 739157, 1089284, 1478314, 2956628, 5174099, 10348198, 20696396]

約数ペア:

[(1, 20696396), (2, 10348198), (4, 5174099), (7, 2956628), (14, 1478314), (19, 1089284), (28, 739157), (38, 544642), (76, 272321), (133, 155612), (266, 77806), (532, 38903)]