20512323090

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{10853081}}^1$

素因数の和:10853104

約数の個数: 64

約数和(自身を含む): 62513752320

約数和(自身を除く): 42001429230

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 10853081, 21706162, 32559243, 54265405, 65118486, 75971567, 97677729, 108530810, 151943134, 162796215, 195355458, 227914701, 293033187, 325592430, 379857835, 455829402, 488388645, 586066374, 683744103, 759715670, 976777290, 1139573505, 1367488206, 1465165935, 2051232309, 2279147010, 2930331870, 3418720515, 4102464618, 6837441030, 10256161545, 20512323090]

約数ペア:

[(1, 20512323090), (2, 10256161545), (3, 6837441030), (5, 4102464618), (6, 3418720515), (7, 2930331870), (9, 2279147010), (10, 2051232309), (14, 1465165935), (15, 1367488206), (18, 1139573505), (21, 976777290), (27, 759715670), (30, 683744103), (35, 586066374), (42, 488388645), (45, 455829402), (54, 379857835), (63, 325592430), (70, 293033187), (90, 227914701), (105, 195355458), (126, 162796215), (135, 151943134), (189, 108530810), (210, 97677729), (270, 75971567), (315, 65118486), (378, 54265405), (630, 32559243), (945, 21706162), (1890, 10853081)]