20679600

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{907}}^1$

素因数の和:947

約数の個数: 120

約数和(自身を含む): 69807040

約数和(自身を除く): 49127440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 25, 30, 38, 40, 48, 50, 57, 60, 75, 76, 80, 95, 100, 114, 120, 150, 152, 190, 200, 228, 240, 285, 300, 304, 380, 400, 456, 475, 570, 600, 760, 907, 912, 950, 1140, 1200, 1425, 1520, 1814, 1900, 2280, 2721, 2850, 3628, 3800, 4535, 4560, 5442, 5700, 7256, 7600, 9070, 10884, 11400, 13605, 14512, 17233, 18140, 21768, 22675, 22800, 27210, 34466, 36280, 43536, 45350, 51699, 54420, 68025, 68932, 72560, 86165, 90700, 103398, 108840, 136050, 137864, 172330, 181400, 206796, 217680, 258495, 272100, 275728, 344660, 362800, 413592, 430825, 516990, 544200, 689320, 827184, 861650, 1033980, 1088400, 1292475, 1378640, 1723300, 2067960, 2584950, 3446600, 4135920, 5169900, 6893200, 10339800, 20679600]

約数ペア:

[(1, 20679600), (2, 10339800), (3, 6893200), (4, 5169900), (5, 4135920), (6, 3446600), (8, 2584950), (10, 2067960), (12, 1723300), (15, 1378640), (16, 1292475), (19, 1088400), (20, 1033980), (24, 861650), (25, 827184), (30, 689320), (38, 544200), (40, 516990), (48, 430825), (50, 413592), (57, 362800), (60, 344660), (75, 275728), (76, 272100), (80, 258495), (95, 217680), (100, 206796), (114, 181400), (120, 172330), (150, 137864), (152, 136050), (190, 108840), (200, 103398), (228, 90700), (240, 86165), (285, 72560), (300, 68932), (304, 68025), (380, 54420), (400, 51699), (456, 45350), (475, 43536), (570, 36280), (600, 34466), (760, 27210), (907, 22800), (912, 22675), (950, 21768), (1140, 18140), (1200, 17233), (1425, 14512), (1520, 13605), (1814, 11400), (1900, 10884), (2280, 9070), (2721, 7600), (2850, 7256), (3628, 5700), (3800, 5442), (4535, 4560)]