20347902

素因数分解:

$2^1\times 3^3\times {\mathrm{109}}^1\times {\mathrm{3457}}^1$

素因数の和:3577

約数の個数: 32

約数和(自身を含む): 45645600

約数和(自身を除く): 25297698

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 109, 218, 327, 654, 981, 1962, 2943, 3457, 5886, 6914, 10371, 20742, 31113, 62226, 93339, 186678, 376813, 753626, 1130439, 2260878, 3391317, 6782634, 10173951, 20347902]

約数ペア:

[(1, 20347902), (2, 10173951), (3, 6782634), (6, 3391317), (9, 2260878), (18, 1130439), (27, 753626), (54, 376813), (109, 186678), (218, 93339), (327, 62226), (654, 31113), (981, 20742), (1962, 10371), (2943, 6914), (3457, 5886)]