20117257532

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1\times {\mathrm{12829}}^1$

素因数の和:13338

約数の個数: 48

約数和(自身を含む): 37935744000

約数和(自身を除く): 17818486468

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 439, 878, 893, 1756, 1786, 3572, 8341, 12829, 16682, 20633, 25658, 33364, 41266, 51316, 82532, 243751, 392027, 487502, 602963, 784054, 975004, 1205926, 1568108, 2411852, 5631931, 11263862, 11456297, 22527724, 22912594, 45825188, 107006689, 214013378, 264700757, 428026756, 529401514, 1058803028, 5029314383, 10058628766, 20117257532]

約数ペア:

[(1, 20117257532), (2, 10058628766), (4, 5029314383), (19, 1058803028), (38, 529401514), (47, 428026756), (76, 264700757), (94, 214013378), (188, 107006689), (439, 45825188), (878, 22912594), (893, 22527724), (1756, 11456297), (1786, 11263862), (3572, 5631931), (8341, 2411852), (12829, 1568108), (16682, 1205926), (20633, 975004), (25658, 784054), (33364, 602963), (41266, 487502), (51316, 392027), (82532, 243751)]