20392130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{887}}^1$

素因数の和:935

約数の個数: 48

約数和(自身を含む): 42517440

約数和(自身を除く): 22125310

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 121, 190, 209, 242, 418, 605, 887, 1045, 1210, 1774, 2090, 2299, 4435, 4598, 8870, 9757, 11495, 16853, 19514, 22990, 33706, 48785, 84265, 97570, 107327, 168530, 185383, 214654, 370766, 536635, 926915, 1073270, 1853830, 2039213, 4078426, 10196065, 20392130]

約数ペア:

[(1, 20392130), (2, 10196065), (5, 4078426), (10, 2039213), (11, 1853830), (19, 1073270), (22, 926915), (38, 536635), (55, 370766), (95, 214654), (110, 185383), (121, 168530), (190, 107327), (209, 97570), (242, 84265), (418, 48785), (605, 33706), (887, 22990), (1045, 19514), (1210, 16853), (1774, 11495), (2090, 9757), (2299, 8870), (4435, 4598)]