20771612

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1319}}^1$

素因数の和:1481

約数の個数: 24

約数和(自身を含む): 37847040

約数和(自身を除く): 17075428

約数列:

[1, 2, 4, 31, 62, 124, 127, 254, 508, 1319, 2638, 3937, 5276, 7874, 15748, 40889, 81778, 163556, 167513, 335026, 670052, 5192903, 10385806, 20771612]

約数ペア:

[(1, 20771612), (2, 10385806), (4, 5192903), (31, 670052), (62, 335026), (124, 167513), (127, 163556), (254, 81778), (508, 40889), (1319, 15748), (2638, 7874), (3937, 5276)]