20169484780

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{457}}^1\times {\mathrm{6323}}^1$

素因数の和:7138

約数の個数: 48

約数和(自身を含む): 42576962400

約数和(自身を除く): 22407477620

約数列:

[1, 2, 4, 5, 10, 20, 349, 457, 698, 914, 1396, 1745, 1828, 2285, 3490, 4570, 6323, 6980, 9140, 12646, 25292, 31615, 63230, 126460, 159493, 318986, 637972, 797465, 1594930, 2206727, 2889611, 3189860, 4413454, 5779222, 8826908, 11033635, 11558444, 14448055, 22067270, 28896110, 44134540, 57792220, 1008474239, 2016948478, 4033896956, 5042371195, 10084742390, 20169484780]

約数ペア:

[(1, 20169484780), (2, 10084742390), (4, 5042371195), (5, 4033896956), (10, 2016948478), (20, 1008474239), (349, 57792220), (457, 44134540), (698, 28896110), (914, 22067270), (1396, 14448055), (1745, 11558444), (1828, 11033635), (2285, 8826908), (3490, 5779222), (4570, 4413454), (6323, 3189860), (6980, 2889611), (9140, 2206727), (12646, 1594930), (25292, 797465), (31615, 637972), (63230, 318986), (126460, 159493)]