20156989168

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43441787}}^1$

素因数の和:43441824

約数の個数: 20

約数和(自身を含む): 40400862840

約数和(自身を除く): 20243873672

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 43441787, 86883574, 173767148, 347534296, 695068592, 1259811823, 2519623646, 5039247292, 10078494584, 20156989168]

約数ペア:

[(1, 20156989168), (2, 10078494584), (4, 5039247292), (8, 2519623646), (16, 1259811823), (29, 695068592), (58, 347534296), (116, 173767148), (232, 86883574), (464, 43441787)]