20384640

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{3539}}^1$

素因数の和:3564

約数の個数: 96

約数和(自身を含む): 70410600

約数和(自身を除く): 50025960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 3539, 5760, 7078, 10617, 14156, 17695, 21234, 28312, 31851, 35390, 42468, 53085, 56624, 63702, 70780, 84936, 106170, 113248, 127404, 141560, 159255, 169872, 212340, 226496, 254808, 283120, 318510, 339744, 424680, 452992, 509616, 566240, 637020, 679488, 849360, 1019232, 1132480, 1274040, 1358976, 1698720, 2038464, 2264960, 2548080, 3397440, 4076928, 5096160, 6794880, 10192320, 20384640]

約数ペア:

[(1, 20384640), (2, 10192320), (3, 6794880), (4, 5096160), (5, 4076928), (6, 3397440), (8, 2548080), (9, 2264960), (10, 2038464), (12, 1698720), (15, 1358976), (16, 1274040), (18, 1132480), (20, 1019232), (24, 849360), (30, 679488), (32, 637020), (36, 566240), (40, 509616), (45, 452992), (48, 424680), (60, 339744), (64, 318510), (72, 283120), (80, 254808), (90, 226496), (96, 212340), (120, 169872), (128, 159255), (144, 141560), (160, 127404), (180, 113248), (192, 106170), (240, 84936), (288, 70780), (320, 63702), (360, 56624), (384, 53085), (480, 42468), (576, 35390), (640, 31851), (720, 28312), (960, 21234), (1152, 17695), (1440, 14156), (1920, 10617), (2880, 7078), (3539, 5760)]