20187565550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{732761}}^1$

素因数の和:732821

約数の個数: 48

約数和(自身を含む): 40888119600

約数和(自身を除く): 20700554050

約数列:

[1, 2, 5, 10, 19, 25, 29, 38, 50, 58, 95, 145, 190, 290, 475, 551, 725, 950, 1102, 1450, 2755, 5510, 13775, 27550, 732761, 1465522, 3663805, 7327610, 13922459, 18319025, 21250069, 27844918, 36638050, 42500138, 69612295, 106250345, 139224590, 212500690, 348061475, 403751311, 531251725, 696122950, 807502622, 1062503450, 2018756555, 4037513110, 10093782775, 20187565550]

約数ペア:

[(1, 20187565550), (2, 10093782775), (5, 4037513110), (10, 2018756555), (19, 1062503450), (25, 807502622), (29, 696122950), (38, 531251725), (50, 403751311), (58, 348061475), (95, 212500690), (145, 139224590), (190, 106250345), (290, 69612295), (475, 42500138), (551, 36638050), (725, 27844918), (950, 21250069), (1102, 18319025), (1450, 13922459), (2755, 7327610), (5510, 3663805), (13775, 1465522), (27550, 732761)]