20805220792

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{773}}^1\times {\mathrm{78241}}^1$

素因数の和:79063

約数の個数: 32

約数和(自身を含む): 39969143280

約数和(自身を除く): 19163922488

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 773, 1546, 3092, 6184, 33239, 66478, 78241, 132956, 156482, 265912, 312964, 625928, 3364363, 6728726, 13457452, 26914904, 60480293, 120960586, 241921172, 483842344, 2600652599, 5201305198, 10402610396, 20805220792]

約数ペア:

[(1, 20805220792), (2, 10402610396), (4, 5201305198), (8, 2600652599), (43, 483842344), (86, 241921172), (172, 120960586), (344, 60480293), (773, 26914904), (1546, 13457452), (3092, 6728726), (6184, 3364363), (33239, 625928), (66478, 312964), (78241, 265912), (132956, 156482)]