20375600

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:427

約数の個数: 120

約数和(自身を含む): 59043840

約数和(自身を除く): 38668240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 35, 38, 40, 50, 56, 70, 76, 80, 95, 100, 112, 133, 140, 152, 175, 190, 200, 266, 280, 304, 350, 380, 383, 400, 475, 532, 560, 665, 700, 760, 766, 950, 1064, 1330, 1400, 1520, 1532, 1900, 1915, 2128, 2660, 2681, 2800, 3064, 3325, 3800, 3830, 5320, 5362, 6128, 6650, 7277, 7600, 7660, 9575, 10640, 10724, 13300, 13405, 14554, 15320, 19150, 21448, 26600, 26810, 29108, 30640, 36385, 38300, 42896, 50939, 53200, 53620, 58216, 67025, 72770, 76600, 101878, 107240, 116432, 134050, 145540, 153200, 181925, 203756, 214480, 254695, 268100, 291080, 363850, 407512, 509390, 536200, 582160, 727700, 815024, 1018780, 1072400, 1273475, 1455400, 2037560, 2546950, 2910800, 4075120, 5093900, 10187800, 20375600]

約数ペア:

[(1, 20375600), (2, 10187800), (4, 5093900), (5, 4075120), (7, 2910800), (8, 2546950), (10, 2037560), (14, 1455400), (16, 1273475), (19, 1072400), (20, 1018780), (25, 815024), (28, 727700), (35, 582160), (38, 536200), (40, 509390), (50, 407512), (56, 363850), (70, 291080), (76, 268100), (80, 254695), (95, 214480), (100, 203756), (112, 181925), (133, 153200), (140, 145540), (152, 134050), (175, 116432), (190, 107240), (200, 101878), (266, 76600), (280, 72770), (304, 67025), (350, 58216), (380, 53620), (383, 53200), (400, 50939), (475, 42896), (532, 38300), (560, 36385), (665, 30640), (700, 29108), (760, 26810), (766, 26600), (950, 21448), (1064, 19150), (1330, 15320), (1400, 14554), (1520, 13405), (1532, 13300), (1900, 10724), (1915, 10640), (2128, 9575), (2660, 7660), (2681, 7600), (2800, 7277), (3064, 6650), (3325, 6128), (3800, 5362), (3830, 5320)]