20005937007

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{853}}^1\times {\mathrm{1367}}^1$

素因数の和:2292

約数の個数: 64

約数和(自身を含む): 32898539520

約数和(自身を除く): 12892602513

約数列:

[1, 3, 7, 19, 21, 43, 57, 129, 133, 301, 399, 817, 853, 903, 1367, 2451, 2559, 4101, 5719, 5971, 9569, 16207, 17157, 17913, 25973, 28707, 36679, 48621, 58781, 77919, 110037, 113449, 176343, 181811, 256753, 340347, 411467, 545433, 696901, 770259, 1116839, 1166051, 1234401, 2090703, 3350517, 3498153, 4878307, 7817873, 8162357, 14634921, 22154969, 23453619, 24487071, 50140193, 66464907, 150420579, 155084783, 350981351, 465254349, 952663667, 1052944053, 2857991001, 6668645669, 20005937007]

約数ペア:

[(1, 20005937007), (3, 6668645669), (7, 2857991001), (19, 1052944053), (21, 952663667), (43, 465254349), (57, 350981351), (129, 155084783), (133, 150420579), (301, 66464907), (399, 50140193), (817, 24487071), (853, 23453619), (903, 22154969), (1367, 14634921), (2451, 8162357), (2559, 7817873), (4101, 4878307), (5719, 3498153), (5971, 3350517), (9569, 2090703), (16207, 1234401), (17157, 1166051), (17913, 1116839), (25973, 770259), (28707, 696901), (36679, 545433), (48621, 411467), (58781, 340347), (77919, 256753), (110037, 181811), (113449, 176343)]