20916700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29881}}^1$

素因数の和:29902

約数の個数: 36

約数和(自身を含む): 51875152

約数和(自身を除く): 30958452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 29881, 59762, 119524, 149405, 209167, 298810, 418334, 597620, 747025, 836668, 1045835, 1494050, 2091670, 2988100, 4183340, 5229175, 10458350, 20916700]

約数ペア:

[(1, 20916700), (2, 10458350), (4, 5229175), (5, 4183340), (7, 2988100), (10, 2091670), (14, 1494050), (20, 1045835), (25, 836668), (28, 747025), (35, 597620), (50, 418334), (70, 298810), (100, 209167), (140, 149405), (175, 119524), (350, 59762), (700, 29881)]