20431600

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{7297}}^1$

素因数の和:7322

約数の個数: 60

約数和(自身を含む): 56107024

約数和(自身を除く): 35675424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 7297, 14594, 29188, 36485, 51079, 58376, 72970, 102158, 116752, 145940, 182425, 204316, 255395, 291880, 364850, 408632, 510790, 583760, 729700, 817264, 1021580, 1276975, 1459400, 2043160, 2553950, 2918800, 4086320, 5107900, 10215800, 20431600]

約数ペア:

[(1, 20431600), (2, 10215800), (4, 5107900), (5, 4086320), (7, 2918800), (8, 2553950), (10, 2043160), (14, 1459400), (16, 1276975), (20, 1021580), (25, 817264), (28, 729700), (35, 583760), (40, 510790), (50, 408632), (56, 364850), (70, 291880), (80, 255395), (100, 204316), (112, 182425), (140, 145940), (175, 116752), (200, 102158), (280, 72970), (350, 58376), (400, 51079), (560, 36485), (700, 29188), (1400, 14594), (2800, 7297)]