20799772

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1181}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 45275328

約数和(自身を除く): 24475556

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 37, 68, 74, 119, 148, 238, 259, 476, 518, 629, 1036, 1181, 1258, 2362, 2516, 4403, 4724, 8267, 8806, 16534, 17612, 20077, 33068, 40154, 43697, 80308, 87394, 140539, 174788, 281078, 305879, 562156, 611758, 742849, 1223516, 1485698, 2971396, 5199943, 10399886, 20799772]

約数ペア:

[(1, 20799772), (2, 10399886), (4, 5199943), (7, 2971396), (14, 1485698), (17, 1223516), (28, 742849), (34, 611758), (37, 562156), (68, 305879), (74, 281078), (119, 174788), (148, 140539), (238, 87394), (259, 80308), (476, 43697), (518, 40154), (629, 33068), (1036, 20077), (1181, 17612), (1258, 16534), (2362, 8806), (2516, 8267), (4403, 4724)]