20806788100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29723983}}^1$

素因数の和:29724004

約数の個数: 36

約数和(自身を含む): 51600836224

約数和(自身を除く): 30794048124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 29723983, 59447966, 118895932, 148619915, 208067881, 297239830, 416135762, 594479660, 743099575, 832271524, 1040339405, 1486199150, 2080678810, 2972398300, 4161357620, 5201697025, 10403394050, 20806788100]

約数ペア:

[(1, 20806788100), (2, 10403394050), (4, 5201697025), (5, 4161357620), (7, 2972398300), (10, 2080678810), (14, 1486199150), (20, 1040339405), (25, 832271524), (28, 743099575), (35, 594479660), (50, 416135762), (70, 297239830), (100, 208067881), (140, 148619915), (175, 118895932), (350, 59447966), (700, 29723983)]