20838800

素因数分解:

$2^4\times 5^2\times {\mathrm{59}}^1\times {\mathrm{883}}^1$

素因数の和:960

約数の個数: 60

約数和(自身を含む): 50971440

約数和(自身を除く): 30132640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 59, 80, 100, 118, 200, 236, 295, 400, 472, 590, 883, 944, 1180, 1475, 1766, 2360, 2950, 3532, 4415, 4720, 5900, 7064, 8830, 11800, 14128, 17660, 22075, 23600, 35320, 44150, 52097, 70640, 88300, 104194, 176600, 208388, 260485, 353200, 416776, 520970, 833552, 1041940, 1302425, 2083880, 2604850, 4167760, 5209700, 10419400, 20838800]

約数ペア:

[(1, 20838800), (2, 10419400), (4, 5209700), (5, 4167760), (8, 2604850), (10, 2083880), (16, 1302425), (20, 1041940), (25, 833552), (40, 520970), (50, 416776), (59, 353200), (80, 260485), (100, 208388), (118, 176600), (200, 104194), (236, 88300), (295, 70640), (400, 52097), (472, 44150), (590, 35320), (883, 23600), (944, 22075), (1180, 17660), (1475, 14128), (1766, 11800), (2360, 8830), (2950, 7064), (3532, 5900), (4415, 4720)]