20187318550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{159773}}^1$

素因数の和:159830

約数の個数: 72

約数和(自身を含む): 45290177136

約数和(自身を除く): 25102858586

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 50, 70, 95, 133, 175, 190, 266, 350, 361, 475, 665, 722, 950, 1330, 1805, 2527, 3325, 3610, 5054, 6650, 9025, 12635, 18050, 25270, 63175, 126350, 159773, 319546, 798865, 1118411, 1597730, 2236822, 3035687, 3994325, 5592055, 6071374, 7988650, 11184110, 15178435, 21249809, 27960275, 30356870, 42499618, 55920550, 57678053, 75892175, 106249045, 115356106, 151784350, 212498090, 288390265, 403746371, 531245225, 576780530, 807492742, 1062490450, 1441951325, 2018731855, 2883902650, 4037463710, 10093659275, 20187318550]

約数ペア:

[(1, 20187318550), (2, 10093659275), (5, 4037463710), (7, 2883902650), (10, 2018731855), (14, 1441951325), (19, 1062490450), (25, 807492742), (35, 576780530), (38, 531245225), (50, 403746371), (70, 288390265), (95, 212498090), (133, 151784350), (175, 115356106), (190, 106249045), (266, 75892175), (350, 57678053), (361, 55920550), (475, 42499618), (665, 30356870), (722, 27960275), (950, 21249809), (1330, 15178435), (1805, 11184110), (2527, 7988650), (3325, 6071374), (3610, 5592055), (5054, 3994325), (6650, 3035687), (9025, 2236822), (12635, 1597730), (18050, 1118411), (25270, 798865), (63175, 319546), (126350, 159773)]