20607994

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:163

約数の個数: 48

約数和(自身を含む): 36465408

約数和(自身を除く): 15857414

約数列:

[1, 2, 11, 22, 31, 41, 62, 67, 82, 121, 134, 242, 341, 451, 682, 737, 902, 1271, 1474, 2077, 2542, 2747, 3751, 4154, 4961, 5494, 7502, 8107, 9922, 13981, 16214, 22847, 27962, 30217, 45694, 60434, 85157, 153791, 170314, 251317, 307582, 332387, 502634, 664774, 936727, 1873454, 10303997, 20607994]

約数ペア:

[(1, 20607994), (2, 10303997), (11, 1873454), (22, 936727), (31, 664774), (41, 502634), (62, 332387), (67, 307582), (82, 251317), (121, 170314), (134, 153791), (242, 85157), (341, 60434), (451, 45694), (682, 30217), (737, 27962), (902, 22847), (1271, 16214), (1474, 13981), (2077, 9922), (2542, 8107), (2747, 7502), (3751, 5494), (4154, 4961)]