20123892138

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{81667}}^1\times {\mathrm{5867}}^1$

素因数の和:87546

約数の個数: 32

約数和(自身を含む): 46005871104

約数和(自身を除く): 25881978966

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 5867, 11734, 17601, 35202, 41069, 81667, 82138, 123207, 163334, 245001, 246414, 490002, 571669, 1143338, 1715007, 3430014, 479140289, 958280578, 1437420867, 2874841734, 3353982023, 6707964046, 10061946069, 20123892138]

約数ペア:

[(1, 20123892138), (2, 10061946069), (3, 6707964046), (6, 3353982023), (7, 2874841734), (14, 1437420867), (21, 958280578), (42, 479140289), (5867, 3430014), (11734, 1715007), (17601, 1143338), (35202, 571669), (41069, 490002), (81667, 246414), (82138, 245001), (123207, 163334)]