20112127

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 25633280

約数和(自身を除く): 5521153

約数列:

[1, 7, 19, 37, 61, 67, 133, 259, 427, 469, 703, 1159, 1273, 2257, 2479, 4087, 4921, 8113, 8911, 15799, 17353, 28609, 42883, 47101, 77653, 151219, 300181, 329707, 543571, 1058533, 2873161, 20112127]

約数ペア:

[(1, 20112127), (7, 2873161), (19, 1058533), (37, 543571), (61, 329707), (67, 300181), (133, 151219), (259, 77653), (427, 47101), (469, 42883), (703, 28609), (1159, 17353), (1273, 15799), (2257, 8911), (2479, 8113), (4087, 4921)]