20533800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{4889}}^1$

素因数の和:4915

約数の個数: 96

約数和(自身を含む): 72763200

約数和(自身を除く): 52229400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 140, 150, 168, 175, 200, 210, 280, 300, 350, 420, 525, 600, 700, 840, 1050, 1400, 2100, 4200, 4889, 9778, 14667, 19556, 24445, 29334, 34223, 39112, 48890, 58668, 68446, 73335, 97780, 102669, 117336, 122225, 136892, 146670, 171115, 195560, 205338, 244450, 273784, 293340, 342230, 366675, 410676, 488900, 513345, 586680, 684460, 733350, 821352, 855575, 977800, 1026690, 1368920, 1466700, 1711150, 2053380, 2566725, 2933400, 3422300, 4106760, 5133450, 6844600, 10266900, 20533800]

約数ペア:

[(1, 20533800), (2, 10266900), (3, 6844600), (4, 5133450), (5, 4106760), (6, 3422300), (7, 2933400), (8, 2566725), (10, 2053380), (12, 1711150), (14, 1466700), (15, 1368920), (20, 1026690), (21, 977800), (24, 855575), (25, 821352), (28, 733350), (30, 684460), (35, 586680), (40, 513345), (42, 488900), (50, 410676), (56, 366675), (60, 342230), (70, 293340), (75, 273784), (84, 244450), (100, 205338), (105, 195560), (120, 171115), (140, 146670), (150, 136892), (168, 122225), (175, 117336), (200, 102669), (210, 97780), (280, 73335), (300, 68446), (350, 58668), (420, 48890), (525, 39112), (600, 34223), (700, 29334), (840, 24445), (1050, 19556), (1400, 14667), (2100, 9778), (4200, 4889)]