20112890116

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2551}}^1\times {\mathrm{9431}}^1$

素因数の和:12016

約数の個数: 48

約数和(自身を含む): 40438379520

約数和(自身を除く): 20325489404

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 2551, 5102, 9431, 10204, 18862, 28061, 37724, 48469, 56122, 96938, 103741, 112244, 179189, 193876, 207482, 358378, 414964, 533159, 716756, 1066318, 1971079, 2132636, 3942158, 7884316, 24058481, 48116962, 96233924, 264643291, 457111139, 529286582, 914222278, 1058573164, 1828444556, 5028222529, 10056445058, 20112890116]

約数ペア:

[(1, 20112890116), (2, 10056445058), (4, 5028222529), (11, 1828444556), (19, 1058573164), (22, 914222278), (38, 529286582), (44, 457111139), (76, 264643291), (209, 96233924), (418, 48116962), (836, 24058481), (2551, 7884316), (5102, 3942158), (9431, 2132636), (10204, 1971079), (18862, 1066318), (28061, 716756), (37724, 533159), (48469, 414964), (56122, 358378), (96938, 207482), (103741, 193876), (112244, 179189)]