20189537560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1877}}^1\times {\mathrm{14153}}^1$

素因数の和:16060

約数の個数: 64

約数和(自身を含む): 47846181600

約数和(自身を除く): 27656644040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1877, 3754, 7508, 9385, 14153, 15016, 18770, 28306, 35663, 37540, 56612, 70765, 71326, 75080, 113224, 141530, 142652, 178315, 268907, 283060, 285304, 356630, 537814, 566120, 713260, 1075628, 1344535, 1426520, 2151256, 2689070, 5378140, 10756280, 26565181, 53130362, 106260724, 132825905, 212521448, 265651810, 504738439, 531303620, 1009476878, 1062607240, 2018953756, 2523692195, 4037907512, 5047384390, 10094768780, 20189537560]

約数ペア:

[(1, 20189537560), (2, 10094768780), (4, 5047384390), (5, 4037907512), (8, 2523692195), (10, 2018953756), (19, 1062607240), (20, 1009476878), (38, 531303620), (40, 504738439), (76, 265651810), (95, 212521448), (152, 132825905), (190, 106260724), (380, 53130362), (760, 26565181), (1877, 10756280), (3754, 5378140), (7508, 2689070), (9385, 2151256), (14153, 1426520), (15016, 1344535), (18770, 1075628), (28306, 713260), (35663, 566120), (37540, 537814), (56612, 356630), (70765, 285304), (71326, 283060), (75080, 268907), (113224, 178315), (141530, 142652)]