20473600

素因数分解:

$2^8\times 5^2\times 7^1\times {\mathrm{457}}^1$

素因数の和:490

約数の個数: 108

約数和(自身を含む): 58041424

約数和(自身を除く): 37567824

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, 256, 280, 320, 350, 400, 448, 457, 560, 640, 700, 800, 896, 914, 1120, 1280, 1400, 1600, 1792, 1828, 2240, 2285, 2800, 3199, 3200, 3656, 4480, 4570, 5600, 6398, 6400, 7312, 8960, 9140, 11200, 11425, 12796, 14624, 15995, 18280, 22400, 22850, 25592, 29248, 31990, 36560, 44800, 45700, 51184, 58496, 63980, 73120, 79975, 91400, 102368, 116992, 127960, 146240, 159950, 182800, 204736, 255920, 292480, 319900, 365600, 409472, 511840, 584960, 639800, 731200, 818944, 1023680, 1279600, 1462400, 2047360, 2559200, 2924800, 4094720, 5118400, 10236800, 20473600]

約数ペア:

[(1, 20473600), (2, 10236800), (4, 5118400), (5, 4094720), (7, 2924800), (8, 2559200), (10, 2047360), (14, 1462400), (16, 1279600), (20, 1023680), (25, 818944), (28, 731200), (32, 639800), (35, 584960), (40, 511840), (50, 409472), (56, 365600), (64, 319900), (70, 292480), (80, 255920), (100, 204736), (112, 182800), (128, 159950), (140, 146240), (160, 127960), (175, 116992), (200, 102368), (224, 91400), (256, 79975), (280, 73120), (320, 63980), (350, 58496), (400, 51184), (448, 45700), (457, 44800), (560, 36560), (640, 31990), (700, 29248), (800, 25592), (896, 22850), (914, 22400), (1120, 18280), (1280, 15995), (1400, 14624), (1600, 12796), (1792, 11425), (1828, 11200), (2240, 9140), (2285, 8960), (2800, 7312), (3199, 6400), (3200, 6398), (3656, 5600), (4480, 4570)]