20259840

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{1319}}^1$

素因数の和:1347

約数の個数: 88

約数和(自身を含む): 64848960

約数和(自身を除く): 44589120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1319, 1536, 1920, 2560, 2638, 3072, 3840, 3957, 5120, 5276, 6595, 7680, 7914, 10552, 13190, 15360, 15828, 19785, 21104, 26380, 31656, 39570, 42208, 52760, 63312, 79140, 84416, 105520, 126624, 158280, 168832, 211040, 253248, 316560, 337664, 422080, 506496, 633120, 675328, 844160, 1012992, 1266240, 1350656, 1688320, 2025984, 2532480, 3376640, 4051968, 5064960, 6753280, 10129920, 20259840]

約数ペア:

[(1, 20259840), (2, 10129920), (3, 6753280), (4, 5064960), (5, 4051968), (6, 3376640), (8, 2532480), (10, 2025984), (12, 1688320), (15, 1350656), (16, 1266240), (20, 1012992), (24, 844160), (30, 675328), (32, 633120), (40, 506496), (48, 422080), (60, 337664), (64, 316560), (80, 253248), (96, 211040), (120, 168832), (128, 158280), (160, 126624), (192, 105520), (240, 84416), (256, 79140), (320, 63312), (384, 52760), (480, 42208), (512, 39570), (640, 31656), (768, 26380), (960, 21104), (1024, 19785), (1280, 15828), (1319, 15360), (1536, 13190), (1920, 10552), (2560, 7914), (2638, 7680), (3072, 6595), (3840, 5276), (3957, 5120)]