20807619676

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{418597}}^1$

素因数の和:418678

約数の個数: 36

約数和(自身を含む): 39580952488

約数和(自身を除く): 18773332812

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 289, 578, 731, 1156, 1462, 2924, 12427, 24854, 49708, 418597, 837194, 1674388, 7116149, 14232298, 17999671, 28464596, 35999342, 71998684, 120974533, 241949066, 305994407, 483898132, 611988814, 1223977628, 5201904919, 10403809838, 20807619676]

約数ペア:

[(1, 20807619676), (2, 10403809838), (4, 5201904919), (17, 1223977628), (34, 611988814), (43, 483898132), (68, 305994407), (86, 241949066), (172, 120974533), (289, 71998684), (578, 35999342), (731, 28464596), (1156, 17999671), (1462, 14232298), (2924, 7116149), (12427, 1674388), (24854, 837194), (49708, 418597)]