20316800

素因数分解:

$2^7\times 5^2\times 7^1\times {\mathrm{907}}^1$

素因数の和:938

約数の個数: 96

約数和(自身を含む): 57421920

約数和(自身を除く): 37105120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 280, 320, 350, 400, 448, 560, 640, 700, 800, 896, 907, 1120, 1400, 1600, 1814, 2240, 2800, 3200, 3628, 4480, 4535, 5600, 6349, 7256, 9070, 11200, 12698, 14512, 18140, 22400, 22675, 25396, 29024, 31745, 36280, 45350, 50792, 58048, 63490, 72560, 90700, 101584, 116096, 126980, 145120, 158725, 181400, 203168, 253960, 290240, 317450, 362800, 406336, 507920, 580480, 634900, 725600, 812672, 1015840, 1269800, 1451200, 2031680, 2539600, 2902400, 4063360, 5079200, 10158400, 20316800]

約数ペア:

[(1, 20316800), (2, 10158400), (4, 5079200), (5, 4063360), (7, 2902400), (8, 2539600), (10, 2031680), (14, 1451200), (16, 1269800), (20, 1015840), (25, 812672), (28, 725600), (32, 634900), (35, 580480), (40, 507920), (50, 406336), (56, 362800), (64, 317450), (70, 290240), (80, 253960), (100, 203168), (112, 181400), (128, 158725), (140, 145120), (160, 126980), (175, 116096), (200, 101584), (224, 90700), (280, 72560), (320, 63490), (350, 58048), (400, 50792), (448, 45350), (560, 36280), (640, 31745), (700, 29024), (800, 25396), (896, 22675), (907, 22400), (1120, 18140), (1400, 14512), (1600, 12698), (1814, 11200), (2240, 9070), (2800, 7256), (3200, 6349), (3628, 5600), (4480, 4535)]