20176983536

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{761}}^1\times {\mathrm{24733}}^1$

素因数の和:25569

約数の個数: 40

約数和(自身を含む): 39730125264

約数和(自身を除く): 19553141728

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 761, 1072, 1522, 3044, 6088, 12176, 24733, 49466, 50987, 98932, 101974, 197864, 203948, 395728, 407896, 815792, 1657111, 3314222, 6628444, 13256888, 18821813, 26513776, 37643626, 75287252, 150574504, 301149008, 1261061471, 2522122942, 5044245884, 10088491768, 20176983536]

約数ペア:

[(1, 20176983536), (2, 10088491768), (4, 5044245884), (8, 2522122942), (16, 1261061471), (67, 301149008), (134, 150574504), (268, 75287252), (536, 37643626), (761, 26513776), (1072, 18821813), (1522, 13256888), (3044, 6628444), (6088, 3314222), (12176, 1657111), (24733, 815792), (49466, 407896), (50987, 395728), (98932, 203948), (101974, 197864)]