20701736

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{641}}^1$

素因数の和:1025

約数の個数: 32

約数和(自身を含む): 42526080

約数和(自身を除く): 21824344

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 367, 641, 734, 1282, 1468, 2564, 2936, 4037, 5128, 7051, 8074, 14102, 16148, 28204, 32296, 56408, 235247, 470494, 940988, 1881976, 2587717, 5175434, 10350868, 20701736]

約数ペア:

[(1, 20701736), (2, 10350868), (4, 5175434), (8, 2587717), (11, 1881976), (22, 940988), (44, 470494), (88, 235247), (367, 56408), (641, 32296), (734, 28204), (1282, 16148), (1468, 14102), (2564, 8074), (2936, 7051), (4037, 5128)]