20240000

素因数分解:

$2^7\times 5^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1$

素因数の和:68

約数の個数: 160

約数和(自身を含む): 57356640

約数和(自身を除く): 37116640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 25, 32, 40, 44, 46, 50, 55, 64, 80, 88, 92, 100, 110, 115, 125, 128, 160, 176, 184, 200, 220, 230, 250, 253, 275, 320, 352, 368, 400, 440, 460, 500, 506, 550, 575, 625, 640, 704, 736, 800, 880, 920, 1000, 1012, 1100, 1150, 1250, 1265, 1375, 1408, 1472, 1600, 1760, 1840, 2000, 2024, 2200, 2300, 2500, 2530, 2750, 2875, 2944, 3200, 3520, 3680, 4000, 4048, 4400, 4600, 5000, 5060, 5500, 5750, 6325, 6875, 7040, 7360, 8000, 8096, 8800, 9200, 10000, 10120, 11000, 11500, 12650, 13750, 14375, 14720, 16000, 16192, 17600, 18400, 20000, 20240, 22000, 23000, 25300, 27500, 28750, 31625, 32384, 35200, 36800, 40000, 40480, 44000, 46000, 50600, 55000, 57500, 63250, 73600, 80000, 80960, 88000, 92000, 101200, 110000, 115000, 126500, 158125, 161920, 176000, 184000, 202400, 220000, 230000, 253000, 316250, 368000, 404800, 440000, 460000, 506000, 632500, 809600, 880000, 920000, 1012000, 1265000, 1840000, 2024000, 2530000, 4048000, 5060000, 10120000, 20240000]

約数ペア:

[(1, 20240000), (2, 10120000), (4, 5060000), (5, 4048000), (8, 2530000), (10, 2024000), (11, 1840000), (16, 1265000), (20, 1012000), (22, 920000), (23, 880000), (25, 809600), (32, 632500), (40, 506000), (44, 460000), (46, 440000), (50, 404800), (55, 368000), (64, 316250), (80, 253000), (88, 230000), (92, 220000), (100, 202400), (110, 184000), (115, 176000), (125, 161920), (128, 158125), (160, 126500), (176, 115000), (184, 110000), (200, 101200), (220, 92000), (230, 88000), (250, 80960), (253, 80000), (275, 73600), (320, 63250), (352, 57500), (368, 55000), (400, 50600), (440, 46000), (460, 44000), (500, 40480), (506, 40000), (550, 36800), (575, 35200), (625, 32384), (640, 31625), (704, 28750), (736, 27500), (800, 25300), (880, 23000), (920, 22000), (1000, 20240), (1012, 20000), (1100, 18400), (1150, 17600), (1250, 16192), (1265, 16000), (1375, 14720), (1408, 14375), (1472, 13750), (1600, 12650), (1760, 11500), (1840, 11000), (2000, 10120), (2024, 10000), (2200, 9200), (2300, 8800), (2500, 8096), (2530, 8000), (2750, 7360), (2875, 7040), (2944, 6875), (3200, 6325), (3520, 5750), (3680, 5500), (4000, 5060), (4048, 5000), (4400, 4600)]