20512781368

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{134952509}}^1$

素因数の和:134952534

約数の個数: 16

約数和(自身を含む): 40485753000

約数和(自身を除く): 19972971632

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 134952509, 269905018, 539810036, 1079620072, 2564097671, 5128195342, 10256390684, 20512781368]

約数ペア:

[(1, 20512781368), (2, 10256390684), (4, 5128195342), (8, 2564097671), (19, 1079620072), (38, 539810036), (76, 269905018), (152, 134952509)]