20888000

素因数分解:

$2^6\times 5^3\times 7^1\times {\mathrm{373}}^1$

素因数の和:407

約数の個数: 112

約数和(自身を含む): 59277504

約数和(自身を除く): 38389504

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, 125, 140, 160, 175, 200, 224, 250, 280, 320, 350, 373, 400, 448, 500, 560, 700, 746, 800, 875, 1000, 1120, 1400, 1492, 1600, 1750, 1865, 2000, 2240, 2611, 2800, 2984, 3500, 3730, 4000, 5222, 5600, 5968, 7000, 7460, 8000, 9325, 10444, 11200, 11936, 13055, 14000, 14920, 18650, 20888, 23872, 26110, 28000, 29840, 37300, 41776, 46625, 52220, 56000, 59680, 65275, 74600, 83552, 93250, 104440, 119360, 130550, 149200, 167104, 186500, 208880, 261100, 298400, 326375, 373000, 417760, 522200, 596800, 652750, 746000, 835520, 1044400, 1305500, 1492000, 2088800, 2611000, 2984000, 4177600, 5222000, 10444000, 20888000]

約数ペア:

[(1, 20888000), (2, 10444000), (4, 5222000), (5, 4177600), (7, 2984000), (8, 2611000), (10, 2088800), (14, 1492000), (16, 1305500), (20, 1044400), (25, 835520), (28, 746000), (32, 652750), (35, 596800), (40, 522200), (50, 417760), (56, 373000), (64, 326375), (70, 298400), (80, 261100), (100, 208880), (112, 186500), (125, 167104), (140, 149200), (160, 130550), (175, 119360), (200, 104440), (224, 93250), (250, 83552), (280, 74600), (320, 65275), (350, 59680), (373, 56000), (400, 52220), (448, 46625), (500, 41776), (560, 37300), (700, 29840), (746, 28000), (800, 26110), (875, 23872), (1000, 20888), (1120, 18650), (1400, 14920), (1492, 14000), (1600, 13055), (1750, 11936), (1865, 11200), (2000, 10444), (2240, 9325), (2611, 8000), (2800, 7460), (2984, 7000), (3500, 5968), (3730, 5600), (4000, 5222)]