20715800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{14797}}^1$

素因数の和:14820

約数の個数: 48

約数和(自身を含む): 55048560

約数和(自身を除く): 34332760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 14797, 29594, 59188, 73985, 103579, 118376, 147970, 207158, 295940, 369925, 414316, 517895, 591880, 739850, 828632, 1035790, 1479700, 2071580, 2589475, 2959400, 4143160, 5178950, 10357900, 20715800]

約数ペア:

[(1, 20715800), (2, 10357900), (4, 5178950), (5, 4143160), (7, 2959400), (8, 2589475), (10, 2071580), (14, 1479700), (20, 1035790), (25, 828632), (28, 739850), (35, 591880), (40, 517895), (50, 414316), (56, 369925), (70, 295940), (100, 207158), (140, 147970), (175, 118376), (200, 103579), (280, 73985), (350, 59188), (700, 29594), (1400, 14797)]