20348800

素因数分解:

$2^7\times 5^2\times {\mathrm{6359}}^1$

素因数の和:6383

約数の個数: 48

約数和(自身を含む): 50275800

約数和(自身を除く): 29927000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 6359, 12718, 25436, 31795, 50872, 63590, 101744, 127180, 158975, 203488, 254360, 317950, 406976, 508720, 635900, 813952, 1017440, 1271800, 2034880, 2543600, 4069760, 5087200, 10174400, 20348800]

約数ペア:

[(1, 20348800), (2, 10174400), (4, 5087200), (5, 4069760), (8, 2543600), (10, 2034880), (16, 1271800), (20, 1017440), (25, 813952), (32, 635900), (40, 508720), (50, 406976), (64, 317950), (80, 254360), (100, 203488), (128, 158975), (160, 127180), (200, 101744), (320, 63590), (400, 50872), (640, 31795), (800, 25436), (1600, 12718), (3200, 6359)]