20975704

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{811}}^1$

素因数の和:931

約数の個数: 32

約数和(自身を含む): 40778640

約数和(自身を除く): 19802936

約数列:

[1, 2, 4, 8, 53, 61, 106, 122, 212, 244, 424, 488, 811, 1622, 3233, 3244, 6466, 6488, 12932, 25864, 42983, 49471, 85966, 98942, 171932, 197884, 343864, 395768, 2621963, 5243926, 10487852, 20975704]

約数ペア:

[(1, 20975704), (2, 10487852), (4, 5243926), (8, 2621963), (53, 395768), (61, 343864), (106, 197884), (122, 171932), (212, 98942), (244, 85966), (424, 49471), (488, 42983), (811, 25864), (1622, 12932), (3233, 6488), (3244, 6466)]